S P Singh Solutions for Chapter: Specimen Paper 1 (Solved) Paper 2 (Chemistry), Exercise 1: Specimen Paper 1 (Solved) Paper 2 (Chemistry)

A salt that leaves yellow residue on heating is:

Volume temperature relationship is given by:

Under what conditions do coke react with steam to give water gas?

How is hydrogen obtained from alkali? Write any two equations.

A certain mass of washing soda crystals is exposed to the atmosphere. A loss in weight was noticed. How can you account for this?

Choose the letter corresponding to the correct answer from the choices A, B, C or D given below in the following case:

• The salt which is deliquescent:

A. Washing soda

B. Glauber's salt

C. Iron III chloride

D. Alum

Choose the letter corresponding to the correct answer from the choices A, B, C or D given below in the following case:

• The anhydrous salt which is used to test the water as it changes colour when water is added to it.

A. Sodium chloride

B. Magnesium sulphate

C. Zinc chloride

D. Copper sulphate

Choose the letter corresponding to the correct answer from the choices A, B, C or D given below in the following case:

• The which leaves black residue on heating:

A. Lead carbonate

B. Copper carbonate

C. Calcium carbonate

D. Magnesium carbonate