Sodium hydroxide is found in-

Lactic acid is found in -

The most commonly used natural indicator litmus is made from which -

Which of the following acid can do hole in a plastic object

What happens when a solution of an acid is mixed with a solution of a base in a test tube?

(i) Temperature of the solution decreases

(ii) Temperature of the solution increases

(in) Temperature of the solution remains the same

(iv) Salt formation takes place

When hydrogen chloride gas is prepared on a humid day, the gas is usually passed through the guard tube containing calcium chloride. The role of calcium chloride taken in the guard tube is to

Which one of the following salts does not con-tain water of crystallisation?

In terms of acidic strength, which one of the following is in the correct increasing order?

What is formed when zinc reacts with sodium hydroxide?

Tomato is a natural source of which acid?

Na2CO3 . 10H2O is

At what temperature is gypsum heated to form Plaster of Paris

How many water molecules does hydrated cal-cium sulphate contain?

Lactic acid is found in -

At what temperature is gypsum heated to form Plaster of Paris