Identify the products of the following reaction:

Some fruits like mango, lemon, raw grapes, orange, etc., have a sour taste due to the presence of:

Which of the following phenomena occur, when a small amount of acid is added to water?

Q. The sample of soil from a particular place was tested for its pH value. It came out to be 5. Which one of the following should be added to the soil to make it suitable for the plant growth?

Dilute acid does not produce carbon dioxide on being treated with:

Which of the following indicators turn red in an acidic solution?

Q. Zinc granules on treating with an acid X, form the zinc sulphate (ZnSO4) salt along with the evolution of a gas Y which burns with a pop sound when brought near to a burning candle. Identify the acid X and gas evolved Y.

Which of the following does not form an acidic salt?

The difference of molecules of water in gypsum and PoP is