| 2024-10-07 | Using properties of determinants show that\\[\\left|\\begin{array}{ccc}1+\\mathrm{a}^2-\\mathrm{.... | 0:00 | 6 | |
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| 2024-10-07 | Write balanced chemical equations for the following processes : \n\\(\\mathrm{Cl}_2\\) is p.... | 0:00 | 8 | |
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| 2024-10-07 | In a radioactive sample, 4019 K
nuclei cither decay into stable 4020Ca
nuclei with decay const.... | 0:00 | 49 | |
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| 2024-10-07 | Complete the following reactions:\n.... | 0:00 | 11 | |
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| 2024-10-07 | Nucleotides and amino acids are vital building blocks in biology, but although nature has master.... | 0:00 | 6 | |
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| 2024-10-07 | What is the basic structural difference between glucose and fructose?.... | 0:00 | 12 | |
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| 2024-10-07 | Find :\\[\\int \\frac{x^2+x+1}{(x+2)\\left(x^2+1\\right)} d x\\].... | 0:00 | 52 | |
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| 2024-10-07 | Differentiate between the following :Amylose and Amylopectin.... | 0:00 | 3 | |
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| 2024-10-07 | \n\nElectrical transmission wires which are laid down in winters are stretched tightly to .... | 0:00 | 3 | |
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| 2024-10-07 | How will you carry out the following conversions : (Any two)Ethanal to But-2-enal.... | 0:00 | 3 | |
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| 2024-10-07 | Write the IUPAC name of the following complex :\\[\\left[\\mathrm{Co}\\left(\\mathrm{NH}_3\\righ.... | 0:00 | 8 | |
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| 2024-10-07 | An organic compound is adsorbed on the surface of silica gel. Name the process of removing the o.... | 0:00 | 6 | |
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| 2024-10-07 | Write balanced ionic equations for the following reactions in aqueous solution:(i) \\(MnO _4^{-}.... | 0:00 | 2 | |
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| 2024-10-07 | An Organic compound (A) with molecular formula \\(\\mathrm{C}_3 \\mathrm{H}_7 \\mathrm{NO}\\) on.... | 0:00 | 13 | |
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| 2024-10-07 | Write IUPAC name of .... | 0:00 | 4 | |
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| 2024-10-07 | Write the chemical equation for Hell-Volhard-Zelinsky reaction..... | 0:00 | 7 | |
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| 2024-10-07 | Assertion (A) : Matrix \\(A=\\left[\\begin{array}{rrr}0 & -3 & 5 \\\\ 3 & 0 & -2.... | 0:00 | 3 | |
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| 2024-10-07 | Osmotic pressure of a solution containing \\(3.5 \\mathrm{~g}\\) of dissolved protein in \\(0.05.... | 0:00 | 9 | |
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| 2024-10-07 | Answer the following questions based on Meselson and Stahl's experiment on \\(E\\). coli :.... | 0:00 | 4 | |
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| 2024-10-07 | If half-life period for a first order reaction in \\(A\\) is 2 minutes, how long will it take \\.... | 0:00 | 2 | |
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| 2024-10-07 | What happens when D-Glucose is treated with hydroxylamine?.... | 0:00 | 6 | |
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| 2024-10-07 | Give reasons why :.... | 0:00 | 6 | |
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| 2024-10-07 | A composite prism ABC is made up of two identical right-angled prisms ABD and ADC made up of dif.... | 0:00 | 46 | |
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| 2024-10-07 | Which vitamin deficiency causes :(1) Bone deformities in children?(2) Pernicious anaemia?.... | 0:00 | 1 | |
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| 2024-10-07 | A solution containing \\(1.9 \\mathrm{~g}\\) per \\(100 \\mathrm{~mL}\\) of \\(\\mathrm{KCl}\\le.... | 0:00 | 21 | |
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| 2024-10-07 | A solution containing \\(1.9 \\mathrm{~g}\\) per \\(100 \\mathrm{~mL}\\) of \\(\\mathrm{KCl}\\le.... | 0:00 | 26 | |
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| 2024-10-07 | Assertion (A) : \\(\\mathrm{Zn}, \\mathrm{Cd}\\) and \\(\\mathrm{Hg}\\) are not regarded as tran.... | 0:00 | 1 | |
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| 2024-10-07 | Why the use of alitame as artificial sweetener is not recommended ?.... | 0:00 | 9 | |
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| 2024-10-07 | Write the dispersed phase and dispersion medium of dust..... | 0:00 | 23 | |
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| 2024-10-07 | If \\(y=x^{\\sin x}+\\sin ^{-1} \\sqrt{x}\\), then find \\(\\frac{d y}{d x}\\)..... | 0:00 | 2 | |
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| 2024-10-07 | \\(\\left[ Co \\left( NH _3\\right)_5 NO _3\\right] SO _4\\) and \\(\\left[ Co \\left( NH _3\\ri.... | 0:00 | 5 | |
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| 2024-10-07 | Using IUPAC norms, write the formulae for the following complexes : Hexaaquachromium(III) c.... | 0:00 | 14 | |
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| 2024-10-07 | Find the area of the triangle whose vertices are (–1, 1), (0, 5) and (3, 2), using integra.... | 0:00 | 337 | |
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| 2024-10-07 | Give reasons for the following :\nTransition metals form complex compounds..... | 0:00 | 21 | |
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| 2024-10-07 | Differentiate between the following :Fibrous proteins and Globular proteins.... | 0:00 | 6 | |
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| 2024-10-07 | Write the electronic configuration of Fe(III) on the basis of crystal field theory when it forms.... | 0:00 | 7 | |
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| 2024-10-07 | Predict the reagent for carrying out the following transformations :(Any two)Ethanal to 3-hydrox.... | 0:00 | 2 | |
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| 2024-10-07 | What happens when Anisole is treated with CH3Cl/anhydrous AlCl3 ?.... | 0:00 | 14 | |
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| 2024-10-07 | Complete the following reactions:\n\\(\\left(\\mathrm{C}_6 \\mathrm{H}_5 \\mathrm{CH}_2\\right)_.... | 0:00 | 3 | |
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| 2024-10-07 | (i) What is a chelate complex? Give one example.(ii) What are heteroleptic complexes? Give one e.... | 0:00 | 2 | |
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| 2024-10-07 | What happens when Phenol is oxidised with Na2Cr2O7/H+?.... | 0:00 | 17 | |
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| 2024-10-07 | Unit of rate constant for the zero order reaction is : .... | 0:00 | 4 | |
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| 2024-10-07 | Give reasons for the following :\nAlthough amino group is \\(o\\) - and \\(p\\)-directing in aro.... | 0:00 | 5 | |
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| 2024-10-07 | Write the hybridisation and magnetic character of the following complexes :\\(\\left[\\mathrm{Fe.... | 0:00 | 8 | |
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| 2024-10-07 | The most common and stable oxidation state of a Lanthanoid is : .... | 0:00 | 8 | |
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| 2024-10-07 | If , A=1110131-21 find A-1.Hence, solve the following system of equations :x + y + z = 6,y + 3z .... | 0:00 | 84 | |
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| 2024-10-07 | Account for the following :(i) \\(\\mathrm{Cu}^{2+}\\) salts are coloured while \\(\\mathrm{Zn}^.... | 0:00 | 4 | |
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| 2024-10-07 | If \\(x \\sqrt{1+y}+y \\sqrt{1+x}=0\\) and \\(x \\neq y\\), prove that \\(\\frac{d y}{d x}=-\\fr.... | 0:00 | 47 | |
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| 2024-10-07 | Why does \\(\\mathrm{ZnO}\\) appear yellow on heating?.... | 0:00 | 7 | |
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| 2024-10-07 | Assertion (A) : Vitamin D can be stored in our body.Reason \\((R)\\) : Vitamin D is a water-solu.... | 0:00 | 4 | |
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| 2024-10-07 | The compounds \\(\\left[ Co \\left( SO _4\\right)\\left( NH _3\\right)_5\\right] Br\\) and \\(\\.... | 0:00 | 2 | |
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| 2024-10-07 | Write chemical equations for the following reactions :Acetophenone is treated with \\(\\mathrm{Z.... | 0:00 | 6 | |
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| 2024-10-07 | Let \\(A=\\{3,5\\}\\). Then number of reflexive relations on \\(A\\) is.... | 0:00 | 14 | |
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| 2024-10-07 | Write the product formed when p-nitrochlorobenzene is heated with aqueous \\(\\mathrm{NaOH}\\) a.... | 0:00 | 11 | |
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| 2024-10-07 | An aromatic compound ' \\(\\mathrm{A}\\) ' on heating with \\(\\mathrm{Br}_2\\) and \\(\\mathrm{.... | 0:00 | 4 | |
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| 2024-10-07 | In the reaction \\(R - OH + HCl \\xrightarrow{ ZnCl _2} RCl + H _2 O\\), what is the correct ord.... | 0:00 | 6 | |
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| 2024-10-07 | Define the following terms with a suitable example in each :Disinfectants.... | 0:00 | 12 | |
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| 2024-10-07 | Which of the following B group vitamins can be stored in our body?.... | 0:00 | 1 | |
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| 2024-10-07 | Write the chemical equation involved in the following reactions :(a) Reimer-Tiemann reaction(b) .... | 0:00 | 13 | |
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| 2024-10-07 | When \\(19.5 g\\) of \\(F - CH _2- COOH\\) (Molar mass \\(\\left.=78 g mol ^{-1}\\right)\\), is .... | 0:00 | 4 | |
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| 2024-10-07 | Assertion (A): The molecularity of the reaction \\(H _2+ Br _2 \\longrightarrow 2 HBr\\) appears.... | 0:00 | 3 | |
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| 2024-10-07 | Assertion (A) : Osmotic pressure is a colligative property.Reason (R) : Osmotic pressure is prop.... | 0:00 | 6 | |
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| 2024-10-07 | Which of the following species cannot act as a ligand? Give reason. \\(OH ^{-}, NH _4^{+}, CH _3.... | 0:00 | 4 | |
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| 2024-10-07 | Which polymer is generally used for making paints and lacquers?.... | 0:00 | 2 | |
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| 2024-10-07 | Given below is the decomposition of hydrogen peroxide in alkaline medium, which is catalysed by .... | 0:00 | 8 | |
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| 2024-10-07 | The reduction of ethanenitrile with sodium and alcohol gives :.... | 0:00 | 4 | |
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| 2024-10-07 | Gene therapy is used to correct defective genes in order to cure the disease or help our body to.... | 0:00 | 2 | |
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| 2024-10-07 | If \\(y=e^x+e^{-x}\\), then show that \\(\\frac{d y}{d x}=\\sqrt{y^2-4}\\)..... | 0:00 | 5 | |
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| 2024-10-07 | Give reasons for the following :\nLower aliphatic amines are soluble in water..... | 0:00 | 5 | |
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| 2024-10-07 | Define the following terms with a suitable example in each :Broad-spectrum antibiotics.... | 0:00 | 5 | |
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| 2024-10-07 | Using properties of determinants, show that\\[\\left|\\begin{array}{ccc}3 a & -a+b & -a+.... | 0:00 | 19 | |
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| 2024-10-07 | Give reasons for the following :\nReduction with iron scrap and \\(\\mathrm{HCl}\\) is preferred.... | 0:00 | 3 | |
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| 2024-10-07 | Using integration, find the area lying above \\(x\\)-axis and included between the circle \\(x^2.... | 0:00 | 0 | |
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| 2024-10-07 | Let \\(f : N \\rightarrow Y\\) be a function defined as \\(f ( x )=4 x +3\\), where \\(Y=\\{y \\.... | 0:00 | 19 | |
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| 2024-10-07 | Write the chemical equation for the following :\nHydration of propene in presence of an acid..... | 0:00 | 4 | |
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| 2024-10-07 | Solve the differential equation \\(\\left(e^x+1\\right) y d y=e^x(y+1) d x\\)..... | 0:00 | 0 | |
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| 2024-10-07 | Why is desorption important for a substance to act as a catalyst?.... | 0:00 | 4 | |
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| 2024-10-07 | Prove that \\(2 \\tan ^{-1} \\frac{1}{2}+\\tan ^{-1} \\frac{1}{7}=\\tan ^{-1} \\frac{31}{17}\\)..... | 0:00 | 2 | |
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| 2024-10-07 | Differentiate between the following :Peptide linkage and Glycosidic linkage.... | 0:00 | 7 | |
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| 2024-10-07 | Which type of isomerism is shown by the complexes \\(\\left[\\mathrm{Co}\\left(\\mathrm{NH}_3\\r.... | 0:00 | 4 | |
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| 2024-10-07 | Find the inverse of the following matrix, using elementary transformations :A=231241372.... | 0:00 | 113 | |
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| 2024-10-07 | Write the two conditions for collisions to be effective collisions..... | 0:00 | 4 | |
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| 2024-10-07 | Define the following terms with a suitable example in each :Cationic detergents.... | 0:00 | 6 | |
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| 2024-10-07 | Why does \\(\\mathrm{Cu}^{2+}\\) solution give blue colour on reaction with ammonia?.... | 0:00 | 4 | |
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| 2024-10-07 | Explain briefly :(a) Carbylamine reaction(b) Gabriel phthalimide synthesis.... | 0:00 | 4 | |
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| 2024-10-07 | What is the difference between an Ambidentate ligand and a Bidentate ligand?.... | 0:00 | 14 | |
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| 2024-10-07 | If \\(x=a \\cos \\theta\\) and \\(y=b \\sin \\theta\\), then prove that \\(\\frac{d^2 y}{d x^2}=.... | 0:00 | 5 | |
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| 2024-10-07 | Which of the following is affected by catalyst? .... | 0:00 | 2 | |
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| 2024-10-07 | Answer the following questions on the basis of the figure given below :\nWhy are enthalpies of a.... | 0:00 | 6 | |
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| 2024-10-07 | Assertion (A) : Albumin is a globular protein.\nReason (R): Polypeptide chain coils around to gi.... | 0:00 | 6 | |
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| 2024-10-07 | A first order reaction is \\(50 \\%\\) complete in 30 minutes at \\(300 K\\) and in 10 minutes a.... | 0:00 | 21 | |
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| 2024-10-07 | Answer the following questions on the basis of the figure given below :\n(i) Which element in 3d.... | 0:00 | 4 | |
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| 2024-10-07 | What happens when(i) Anisole is treated with \\(CH _3 Cl /\\) anhydrous \\(AlCl l_3\\) ?(ii) Phe.... | 0:00 | 6 | |
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| 2024-10-07 | The half-life for a zero order reaction equals :where \\(R\\) is the initial concentration..... | 0:00 | 7 | |
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| 2024-10-07 | Calculate the overall order of the reaction whose rate law expression was predicted as :\n .... | 0:00 | 6 | |
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| 2024-10-07 | The glycosidic linkage involved in linking the glucose units in amylase part of starch is : .... | 0:00 | 4 | |
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| 2024-10-07 | Give reasons for the following :\n\\(\\mathrm{E}^0\\) values for \\(\\left(\\mathrm{Zn}^{2+} / \.... | 0:00 | 18 | |
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| 2024-10-07 | Let \\(\\vec{a}\\) and \\(\\vec{b}\\) be two unit vectors and \\(\\theta\\) is the angle between.... | 0:00 | 15 | |
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| 2024-10-07 | Write the hybridisation and magnetic behaviour of \\(\\left[ CoF _6\\right]^{3-}\\). [Given : At.... | 0:00 | 2 | |
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| 2024-10-07 | Draw the structure of \\(2,4 \\mathrm{DNP}\\) derivative of acetaldehyde..... | 0:00 | 4 | |
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