What is \( \mathrm{pH} \) scale? How does it tell us whether a solution is acidic or basic?
What is \( \mathrm{pH} \) scale? How does it tell us whether a solution is acidic or basic?
ЁЯУ▓PW App Link - https://bit.ly/YTAI_PWAP
ЁЯМРPW Website - https://www.pw.live
Other Videos By PW Solutions
2023-01-06 | The energy of a tungsten atom with a vacancy in \( L \) shell is \( 11.3 \mathrm{keV} \). Wavele... |
2023-01-06 | Let \( \alpha, \beta \) be the roots of \( x^{2}+b x+1=0 \). Then the equation whose roots are \... |
2023-01-06 | рдСрдХреНрд╕реАрдбреЗрдЯрд┐рд╡ рдлреЙрд╕реНрдлреЛрд░рд┐рд▓реЗрд╢рди рд╕реЗ рдХреНрдпрд╛ рд╕рдордЭрддреЗ рд╣реИрдВ ? |
2023-01-06 | рдорд╛рдирд╡ рдореВрддреНрд░ рдХрд╛ \( \mathrm{pH} \) рд▓рдЧрднрдЧ рдХрд┐рддрдирд╛ рд╣реЛрддрд╛ рд╣реИ? (A) \( 6.5 \) (B) 7 (C) 6 (D) \( 7.5 \) |
2023-01-06 | Evaluate \[ \int_{0}^{\pi} \frac{1}{1+\sin x} d x \] |
2023-01-06 | Aluminium carbide reacts with dil. \( \mathrm{HCl} \) to give:
(A) \( \mathrm{C}_{2} \mathrm{H}_... |
2023-01-06 | How many gram of hydrogen chloride, \( \mathrm{HCl} \) are required to prepare 4 litre of \( 5 \... |
2023-01-06 | What are conservative forces ? Explain how are these different from non-conservative forces. Giv... |
2023-01-06 | рдирд┐рдореНрдирд▓рд┐рдЦрд┐рдд рдореЗрдВ рд╕реЗ рдХреМрди-рд╕рд╛ рдХрдерди рдирд╛рднрд┐рдХрд╕реНрдиреЗрд╣реА рдХреЗ рд▓рд┐рдП рдирд╣реАрдВ рд╣реИрдВ
(A) рдирд╛рднрд┐рдХрд╕реНрдиреЗрд╣реА рд▓реБрдИрд╕ рдЕрдореНрд▓ рд╣реИ
(B) рдЕрдореЛрдирд┐рдп... |
2023-01-06 | For the parabola \( y=\frac{x^{2}}{4 a} \), prove \( \bar{x}=-\frac{x^{3}}{4 a^{2}}, \bar{y}=2 a... |
2023-01-06 | What is \( \mathrm{pH} \) scale? How does it tell us whether a solution is acidic or basic? |
2023-01-06 | рд╣рд╛рдЗрдбреНрд░реЛрдЬрдиреАрдХрд░рдг рд╕реЗ рдХреНрдпрд╛ рдЕрднрд┐рдкреНрд░рд╛рдп рд╣реИ? |
2023-01-06 | \( \int_{0}^{1} \frac{x}{x^{2}+1} d x \) |
2023-01-06 | рдпрджрд┐ \( \cos \theta-\sin \theta=\sqrt{2} \sin \theta \), рддреЛ рд╕рд┐рджреНрдз рдХреАрдЬрд┐рдП рдХрд┐-
\[
\cos \theta+\sin \... |
2023-01-06 | If \( A, B, C \) are the angles of an acute-angled triangle, show that \( \tan A \cdot \tan B \c... |
2023-01-06 | The number of solutions of the equation \( (3|x|-3)^{2}= \) \( |x|+7 \) which belong to the doma... |
2023-01-06 | рдиреАрдЪреЗ рджрд┐рдП рдЧрдП рдЪрд╛рд░ рдХрдердиреЛрдВ (i-iv) рдХрд╛ рдЕрдзреНрдпрдпрди рдХрд░реЗрдВ рддрдерд╛ рдЙрдирдореЗрдВ рд╕реЗ рджреЛ рд╕рд╣реА рдХреЛ рдЪреБрдирд┐рдПреНред
(i) рд╣реНрд╡рд┐рд░рдг рдХреЛ рдЦрд╛рддрд╛ рд╣реБ... |
2023-01-06 | Ultra violet rays are not allowed to pass through:
(A) flint glass
(B) crown glass
(C) crookes g... |
2023-01-06 | рдмрд┐рдВрджреБрдУрдВ \( (-2,3,5) \) рдФрд░ \( (1,-4,6) \) рдХреЛ рдорд┐рд▓рд╛рдиреЗ рд╕реЗ рдмрдиреЗ рд░реЗрдЦрд╛ рдЦрдВрдб рдХреЛ рдЕрдиреБрдкрд╛рдд рдореЗрдВ рдЕрдВрдд: \( 2: 3 \)... |
2023-01-06 | рд╕рдорд╛рдХрд▓рди \( \int_{\frac{1}{3}}^{1} \frac{\left(x-x^{3}\right)^{\frac{1}{3}}}{x^{4}} d x \) рдХрд╛ рдорд╛рди ... |
2023-01-06 | Find the sum of \( n \) terms of the series:
\[
\frac{1}{1.3}+\frac{2}{1.3 \cdot 5}+\frac{3}{1.3... |