Fill in the blank with the correct choice:............... [Silver chloride / Lead chloride] is a white precipitate that is soluble in excess of Ammonium hydroxide solution. [1]

Identify the cation in each of the following cases: [2](a) Ammonium hydroxide solution when added to Solution B gives a white precipitate which does not dissolve in excess of ammonium hydroxide solution.(b) Sodium hydroxide solution when added to Solution C gives a white precipitate which is insoluble in excess of sodium hydroxide solution.

In the laboratory preparation, HCl gas is dried by passing through: [1]Dilute nitric acidConcentrated sulphuric acidDilute sulphuric acidAcidified water

The nitrate which on thermal decomposition leaves behind a residue which is yellow when hot and white when cold: [1]Lead nitrateAmmonium nitrateCopper nitrateZinc nitrate

The acid which does not form acid salt by a basic radical: [1]H2CO3H3PO4H2SO4CH3COOH

An example of a cyclic organic compound is: [1]PropenePenteneButeneBenzene

The property exhibited by concentrated sulphuric acid when it is used to prepare hydrogen chloride gas from potassium chloride: [1]Dehydrating propertyDrying propertyOxidizing propertyNon-volatile acid property

The hydrocarbon formed when sodium propanoate and soda lime are heated together: [1]MethaneEthaneEthenePropane

The indicator which changes to pink colour in an alkaline solution is: [1]Blue LitmusMethyl OrangeRed LitmusPhenolphthalein

The general formula of hydrocarbons with single covalent bonds is: [1]CnH2n+2CnH2nCnH2n−2CnH2n−6

The salt formed when concentrated sulphuric acid reacts with KNO3 above 200°C: [1]K2SO4K2SO3KHSO4KHSO3

Which of the following reactions takes place at the anode during the electroplating of an article with silver? [1]Ag − 1e− ⟶ Ag1+Ag + 1e− ⟶ Ag1−Ag − 1e− ⟶ AgNone of the above