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 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 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

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

An element with the largest atomic radius among the following is: [1] Carbon Nitrogen Lithium Beryllium

The vapour density of CH₃OH is ............... (At. Wt. C=12, H=1, O=16) [1] 32 18 16 34