Chemistry The gas which is mainly responsible for the green house effect is: Ozone Oxygen Carbon monoxide Carbon dioxide Ozone Oxygen Carbon monoxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silica gel is a Moisturizer Flavouring agent Drying agent Delicious food Moisturizer Flavouring agent Drying agent Delicious food ANSWER DOWNLOAD EXAMIANS APP
Chemistry What are the major pollutants of cigarette smoke? Carbon monoxide and dioxin Dioxin and benzene Carbon monoxide and nicotine Carbon monoxide and benzene Carbon monoxide and dioxin Dioxin and benzene Carbon monoxide and nicotine Carbon monoxide and benzene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Aqua regia is a 1 : 3 mixture, by volume, of 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 Conc. nitric acid and conc. hydrochloric acid Conc. sulphuric acid and conc. nitric acid Conc. nitric acid and conc. sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The acid which fails to liberate carbon dioxide from sodium bicarbonate is : Formic acid Sulphuric acid Acetic acid Carbonic acid Formic acid Sulphuric acid Acetic acid Carbonic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Conduction band electrons have more mobility than holes because they Need less energy to move them Have negative charge Experience collision less frequently Are lighter Need less energy to move them Have negative charge Experience collision less frequently Are lighter ANSWER DOWNLOAD EXAMIANS APP
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