Chemistry Rusting of iron takes place due to Exfoliation Corrosion Carbonation Oxidation Exfoliation Corrosion Carbonation Oxidation ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most electropositive elements among the following is Ca Cs Na K Ca Cs Na K ANSWER DOWNLOAD EXAMIANS APP
Chemistry In a period from Li to F, ionisation potential Cannot be predicted Increases Remains same Decreases Cannot be predicted Increases Remains same Decreases ANSWER DOWNLOAD EXAMIANS APP
Chemistry The advantage of detergents over soaps is Detergents give lather even with hard water Detergents are soluble in water Detergents could not give much lather Soaps give lather with only soft water Detergents give lather even with hard water Detergents are soluble in water Detergents could not give much lather Soaps give lather with only soft water ANSWER DOWNLOAD EXAMIANS APP
Chemistry The drug ‘Marijuana’ is a Hallucinating substance Sedative Tranquillizer Mental stimulant Hallucinating substance Sedative Tranquillizer Mental stimulant ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sodium vapour lamps glow with yellow colour. This is due to Its ability to absorb all other colours except yellow The low ionisation energy of sodium The emission of excess energy absorbed by sodium atoms, in the yellow region of the spectrum sublimation of sodium to emit yellow colour Its ability to absorb all other colours except yellow The low ionisation energy of sodium The emission of excess energy absorbed by sodium atoms, in the yellow region of the spectrum sublimation of sodium to emit yellow colour ANSWER DOWNLOAD EXAMIANS APP
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