A substance 'S' is used as a building material and is insoluble in water. When reacted with dil `H_2SO_4` it produces a gas 'X' which turned lime water milky. When the liberated gas 'K' passed in excess, the milkiness disappeared. Write the name and chemical formula of S and its reactions will dil H2SO4, name the acid and base from which the substance 'S' is made.

Magenisum treated with dill, H_2SO_4 . Name the gas produced and write the reaction.

A metal carbonate X, and a metal bicarbonate Y on reacting with an acid gives a gas which turns lime water milky. What would happen if you pass excess of this gas through water? Write the chemical equation for it?

A metal carbonate X, and a metal bicarbonate Y on reacting with an acid gives a gas which turns lime water milky. Write the chemical equatins for the reaction of X and Y with the acid.

Name tha gas obtained when dil. H_2SO_4 is added to a zinc piece.

Which gas is produced when reactive metals come in contact with dilute hydrochloric acid? Write the chemical reaction iron and dil H_2SO_4

A water soluble compound 'X' of sodium on reacting with dil. H_2SO_4 released a colourless gas accompanied by brisk effervescence. When the gas was passed through water, the solution obtained turned blue litmus solution red. On bubling the gas through lime water, it initially became milky and the milkness disappeared when the gas was passed in excess. Identify the substance 'X' and write the chemical equation for the reactions involved.

Write name of the substance which got reduced and oxidized:- 2H2S+SO2 rarr 3S+2H2O

When SO_3 is bubbled through a solution of H_2SO_4 , a compound X is formed which further reacts with water to give H_2SO_4 . Explain the reaction.