Which statement is incorrect? (A) Bell metal is an alloy of \( \mathrm{Cu} \) and \( \mathrm{Sn}...

Channel:
Subscribers:
514,000
Published on ● Video Link: https://www.youtube.com/watch?v=OJE5_eutEnw



Duration: 4:48
2 views
0


Which statement is incorrect?
(A) Bell metal is an alloy of \( \mathrm{Cu} \) and \( \mathrm{Sn} \)
(B) Solder is an alloy of \( \mathrm{Pb} \) and \( \mathrm{Al} \)
(C) Pewter is an alloy of \( \mathrm{Pb} \) and \( \mathrm{Sn} \)
(D) Rose metal is an alloy of \( \mathrm{Pb}, \mathrm{Sn} \) and \( \mathrm{Bi} \)
ЁЯУ▓PW App Link - https://bit.ly/YTAI_PWAP
ЁЯМРPW Website - https://www.pw.live




Other Videos By PW Solutions


2022-11-16A plant cell kept in certain solution got plasmolysed. What was the nature of the solution ?
2022-11-16Consider a planet in some solar system which has a mass double the mass of the Earth and density...
2022-11-16If \( \frac{(2 x+1) !}{(x+2) !} \cdot \frac{(x-1) !}{(2 x-1) !}=\frac{3}{5}, x \in \mathrm{N} \)...
2022-11-16Find the derivatives of the functions from first principle : \[ \frac{2}{x}, x \neq 0 \]
2022-11-16\( (1-i) \) рдХреА рд╕рдВрдпреБрдЧреНрдореА рд╕рдореНрдорд┐рд╢реНрд░ рд╕рдВрдЦреНрдпрд╛ рдХрд╛ рдзреНрд░реБрд╡рд╛рдп рд░реВрдк рдЬреНрдЮрд╛рдд рдХреАрдЬрд┐рдПред
2022-11-16When was 'Family Planning Programme' initiated by Government of India?
2022-11-16рдмрд╛рдпреЛрдЧреИрд╕ (biogas) рдЙрддреНрдкрдиреНрди рд╣реЛрддреА рд╣реИ: (A) рдпреВрдмреИрдмреНрдЯреАрд░рд┐рдпрд╛ рджреНрд╡рд╛рд░рд╛ (B) рдЖрд░реНрдХрд┐рдмреИрдмреНрдЯреАрд░реАрд░рдпрд╛ рджреНрд╡рд╛рд░рд╛ (C) рдорд╛рдЗрдХреЛрдк...
2022-11-16Gastric juice of infants contain (A) nuclease, pepsinogen, lipase (B) pepsinogen, lipase, rennin...
2022-11-16Suppose we invent a unit of mass which we shall call the cavendish \( (C) \). One cavendish of m...
2022-11-16Arrange the following as directed: \( \mathrm{N}, \mathrm{P} \), As, Sb and Bi (increasing order...
2022-11-16Which statement is incorrect? (A) Bell metal is an alloy of \( \mathrm{Cu} \) and \( \mathrm{Sn}...
2022-11-16Imagine a planet whose diameter and mass are both one half of those of earth. The days temperatu...
2022-11-16Carotene and xanthophyll pigments absorb radiant energy and (A) carryout photosynthesis to produ...
2022-11-16рдСрдХреНрд╕реАрдЬрди рдХреА рдЗрд▓реЗрдХреНрдЯреНрд░реЙрди рд▓рдмреНрдзрд┐ рдПрдиреНрдереИрд▓реНрдпреА \( \mathrm{S} \) рдХреА рдЕрдкреЗрдХреНрд╖рд╛рдХреГрдд рд╣реЛрддреА рд╣реИред
2022-11-16When RuBisCO acts as an oxygenase (A) phosphoglycerate and phosphoglycolate are produced (B) pho...
2022-11-16рдпрджрд┐ \( x\left[\begin{array}{l}2 \\ 3\end{array}\right]+y\left[\begin{array}{c}-1 \\ 1\end{array}...
2022-11-16Which of the following statement(s) is/are correct about angiosperms? (i) In angiosperms or flow...
2022-11-16No. of molecules of \( \mathrm{H}_{2} \) in \( 22.4 \) litre at STP is
2022-11-16Assertion : A DNA fingerprint is same for every cell, tissue and organ of a person. Reason : DN...
2022-11-16рд╡реГрд╣рдж-рд╕реНрдкреЗрдХреНрдЯреНрд░рдо рдЬреАрд╡рд╛рдгреБрдирд╛рд╢реА' рд╢рдмреНрдж рд╕реЗ рдЖрдк рдХреНрдпрд╛ рд╕рдордЭрддреЗ рд╣реИрдВ? рд╕рдордЭрд╛рдЗрдПред
2022-11-16The total flux through the faces of the cube with side of length \( a \) if a charge \( 2 q \) i...