Chemistry Impure camphor is purified by Steam distillation Fractional crystallisation Fractional distillation Sublimation Steam distillation Fractional crystallisation Fractional distillation Sublimation ANSWER DOWNLOAD EXAMIANS APP
Chemistry The Latin word formica means ant. The name formic acid is derived from this Latin word because this corrosive acid is secreted by ants to drive away their enemies this acid, in ancient times, was used to eliminate ant-hills this acid was first obtained by the distillation of ants ants are attracted by the odour of this acid this corrosive acid is secreted by ants to drive away their enemies this acid, in ancient times, was used to eliminate ant-hills this acid was first obtained by the distillation of ants ants are attracted by the odour of this acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used as a preservative to protect processed food? Sodium sulphate BHT Saccharin Sodium metabisulphite Sodium sulphate BHT Saccharin Sodium metabisulphite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is the strongest base in aqueous solution ? Diethylamine Ethylamine Ammonia Triethylamine Diethylamine Ethylamine Ammonia Triethylamine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Among the fuels given below, the one with highest calorific value is Natural gas Wood Coke Coal Natural gas Wood Coke Coal ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used in making smoke bombs? Phosphorus Carbon Hydrogen Sulphur Phosphorus Carbon Hydrogen Sulphur ANSWER DOWNLOAD EXAMIANS APP
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