Chemistry In deep-sea diving, divers use a mixture of gases consisting of oxygen and Helium Nitrogen Argon Hydrogen Helium Nitrogen Argon Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Aqua regia is a 1 : 3 mixture, by volume, of Conc. nitric acid and conc. hydrochloric acid Conc. hydrochloric acid and conc. nitric acid Conc. sulphuric acid and conc. nitric acid Conc. nitric acid and conc. sulphuric acid Conc. nitric acid and conc. hydrochloric acid Conc. hydrochloric acid and conc. nitric acid Conc. sulphuric acid and conc. nitric acid Conc. nitric acid and conc. sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following contributes largely to the ‘green house effect’ ? Ozone Carbon monoxide Water vapour Carbon dioxide Ozone Carbon monoxide Water vapour Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry What do you understand by the term Espuma ? Foam Salt Soap Calcium Foam Salt Soap Calcium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Galvanization of iron is carried out using Tin Zinc Chromium Copper Tin Zinc Chromium Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry The acid which fails to liberate carbon dioxide from sodium bicarbonate is : Formic acid Carbonic acid Sulphuric acid Acetic acid Formic acid Carbonic acid Sulphuric acid Acetic acid ANSWER DOWNLOAD EXAMIANS APP
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