True/false
Copper sulphate solutoins turns red litmus blue.

A solution turns red litmus blue its ph is:

Say True or false Copper sulphate solution can be stored in iron pot.

A basic solution turns blue litmus red.

Phenols turn blue litmus red

A substance X, which is an oxide of a group 2 element, is used intensively in the cement industry. This element is presented in bones also. On treatment with water it forms a solution which turns red litmus blue. Identify X and also write the chemical reactions involved.

Baking soda is used in small amount in making bread and cake. It helps to make this soft and spongy and aqua solution of baking soda turns red litmus blue. It is also used in Soda acid fire extinguisher. Use this information to answer the following questions HOw does it help in extinguishing fire?

An aqueous solutons turns red litmus solutoin blue. Excess addition of which of the following solution would reverse the change?

State whether the following statement is true or false- Nitric acid turns red litmus to blue.