Chemistry In chemical terms, what are alums used for purifying water for drinking purposes ? Hydrated chlorides Double nitrate Nitrates of aluminium Double sulphates Hydrated chlorides Double nitrate Nitrates of aluminium Double sulphates ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is the correct sequence of countries in terms of maximum carbon dioxide emission? China, India, European Union, USA USA, India, China, European Union European Union, China, USA, India China, USA, European Union, India China, India, European Union, USA USA, India, China, European Union European Union, China, USA, India China, USA, European Union, India ANSWER DOWNLOAD EXAMIANS APP
Chemistry Impure camphor is purified by Fractional crystallisation Fractional distillation Steam distillation Sublimation Fractional crystallisation Fractional distillation Steam distillation Sublimation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following statements are correct about chloroform? a. Liquid fuel b. Anaesthetic in nature c. Produces phosgene d. Fire extinguisher A, c B, c A, b D, a A, c B, c A, b D, a ANSWER DOWNLOAD EXAMIANS APP
Chemistry Aqua regia is a 1 : 3 mixture, by volume, of Conc. nitric acid and conc. hydrochloric acid Conc. sulphuric acid and conc. nitric acid Conc. nitric acid and conc. sulphuric acid Conc. hydrochloric acid and conc. nitric acid Conc. nitric acid and conc. hydrochloric acid Conc. sulphuric acid and conc. nitric acid Conc. nitric acid and conc. sulphuric acid Conc. hydrochloric acid and conc. nitric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of ‘Common salt’ is Sodium chloride Calcium chloride Sodium nitrate Ammonium chloride Sodium chloride Calcium chloride Sodium nitrate Ammonium chloride ANSWER DOWNLOAD EXAMIANS APP
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