A magnesium ribbon is burnt in oxygen to give a white compound X accompained by emission of the light. Write the chemical equation, when X is dissolved in water.

A magnesium ribbon is burnt in oxygen to give a white compound X accompained by emission of the light. If the burning ribbon is now placed in an atmosphere of nitrogen, it continues to burn and forms a compound Y. Write the chemical formulae of X and Y.

Write balanced equation when ammonia is dissolved in water.

Ethane (C_2H_6) burns in oxygen to form carbon dioxide and water. Write balanced chemical equation for this reaction.

Identify the compound of calcium which is yellowish white powder and is used for disinfecting drinking water. Write its chemical name and formula. How is it manufactured? Write the chemical equation for the reaction involved. Also list two other uses of the compound.

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 compound which is prepared from gypsum has the property of hardening when mixed with a proper quantity of water. Identify the compound. Write the chemical equation for its preparation. For what purpose is its used in hospitals?

A solution of substance 'X' is used for white washing. Write the reaction of the substance X named in above with water.

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.

Identify the compound X on the basis of the reactions given below: Also, write the name and chemical formulae of A,B and C.