Question

1 g of solid sodium chloride is taken in a clean and dry test tube and 2 ml of conc sulphuric acid is added to it if gas evolved is test 1 with dry and then with wet dry litmaspaper

Answer 1

g of solid sodium chloride is taken in a clean and dry test tube and 2 ml of conc sulphuric acid is added to it if gas evolved is test 1 with dry and then with wet dry litmaspaper