A metal is treated with dil. H_(2)SO_(4). The gas evolved is collected by the method shown in the figure. Answer the following : (i) Name the gas. (ii) Name the method of collection of the gas. (iii) Is the gas soluble of insoluble in water ? (iv) Is the gas lighter or heavier than air ?

A metal is treated with dil. H_(2)SO_(4). The gas evolved is collected

1.	A metal is treated with dil. H_(2)SO_(4). The gas evolved is collected by the method shown in the figure. Answer the following : (i) Name the gas. (ii) Name the method of collection of the gas. (iii) Is the gas soluble of insoluble in water ? (iv) Is the gas lighter or heavier than air ?
Answer» Solution :(i) The GAS evolved is HYDROGEN. (ii) The METHOD of collection of the gas is the downward DISPLACEMENT of water. (iii) The gas is insoluble in water. That is why it can be collected over water. (iv) The gas is LIGHTER than air.