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

Name a gas produced in photosynthesis.

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.

HCOOH reacts with conc. H_2SO_4 to produce

When zinc metal is treated with a dilute solution of a strong acid, a gas is evolved, which is utilised in the hydrogenation of oil. Name the gas evolved. Write the chemical equation of the reaction involved and also write a test to detect the gas formed.

Name the gas produced when Magnesium carbonate reacts with hydrochloric acid. Write their chemical reactions.

A metal is treated with dilute sulphuric acid. The gas is collected by the method shown in figure ahead. Answer the following: Name the gas.

Sulphur trioxide gas when dissolved in H_2SO_4 , the product obtained is

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

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