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

Fill in the blank with the correct choice:Higher the pH value of a solution, the more ............... [acidic / alkaline] it is. [1]

State the terms/process for the following: [5]The energy released when an atom in the gaseous state accepts an electron to form an anion.Tendency of an element to form chains of identical atoms.The name of the process by which Ammonia is manufactured on a large scale.A type of salt formed by partial replacement of hydroxyl radicals with an acid radical.The ratio of the mass of a certain volume of gas to the same volume of hydrogen measured under the same conditions of temperature and pressure.

The metallic hydroxide which forms a deep inky blue solution with excess ammonium hydroxide solution is: [1]Fe(OH)2Cu(OH)2Ca(OH)2Fe(OH)3

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

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

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

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