A hydrocarbon has three carbon atoms. Write down its molecular formular if its is an
alkene?

What is malachite? Write down its formula.

An element A has a charge of 3+. Write down the formula of its :Nitrate

An element A has a charge of 3+. Write down the formula of its :Choride

An element Z has valency of 3. Write down the formula of its oxide?

An element A has a charge of 3+. Write down the formula of its : Sulphate

An element A has a charge of 3+. Write down the formula of its : Phoshphate

A dihalogen derivative (A) of a hydrocarbon having two carbon atoms reacts with alcoholic potash and forms another hydrocarbon which gives a red precipitate with ammoniacal solution of cuprous chloride. Compound ‘A' gives an aldehyde when treated with aqueous KOH. Write down the name and formula of the compound.

What is cleavage ? Write down its characteristics.