Chemistry Which of the following elements is obtained from sea weeds ? Argon Iodine Sulphur Vanadium Argon Iodine Sulphur Vanadium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The acid which fails to liberate carbon dioxide from sodium bicarbonate is : Formic acid Acetic acid Carbonic acid Sulphuric acid Formic acid Acetic acid Carbonic acid Sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The lowest layer of earth's atmosphere is Mesosphere Stratosphere Troposphere Ionosphere Mesosphere Stratosphere Troposphere Ionosphere ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metallic constituents of hard water are : Magnesium, tin and iron Magnesium, calcium and tin Iron, tin and calcium Calcium, magnesium and iron Magnesium, tin and iron Magnesium, calcium and tin Iron, tin and calcium Calcium, magnesium and iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of ‘Common salt’ is Sodium nitrate Calcium chloride Ammonium chloride Sodium chloride Sodium nitrate Calcium chloride Ammonium chloride Sodium chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry Copper is refined by Roasting Electrolysis Oxidation Zone refining Roasting Electrolysis Oxidation Zone refining ANSWER DOWNLOAD EXAMIANS APP
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