In an experiment Deepa put a piece of raw mango in 0.5M salt solution and another piece in 1M salt solution. Which mango piece will get plasmolysed fast?

Will elevation is boiling point same for a 0.1m NaCl solution and 0.1 M sucrose solution. Give reason.

How much water should be added to '300 mL' of 0.5 M NaOH solution so as fo prepare a solution of 0.2 M?

Take water in 4 different beakers and add a small piece of sodium,lead,iron and copper in each: In which all solutions gas bubbles will be formed? Which gas is formed?

A mono protic acid in 1M solution is 0.01% ionized the dissociation constant of this acid is

Take water in 4 different beakers and add a small piece of sodium,lead,iron and copper in each: Which solution will turn pink on adding phenolphthalein? Why?

A student is doing an experiment in the laboratory using sodium. Suddenly, a piece of sodium falls into liquid ammonia. (a) What changes can you observe in liquid ammonia? (b) What is the reason for the change? (c) If the solution is kept for a long time it is changed into bronze colour. Why?