Chemistry The metal used to recover copper from a solution of copper sulphate is Na Fe Hg Ag Na Fe Hg Ag ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following was used as a chemical weapon in the first world war ? Hydrogen cyanide Water gas Mustard gas Carbon monoxide Hydrogen cyanide Water gas Mustard gas Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of ‘Common salt’ is Sodium chloride Sodium nitrate Ammonium chloride Calcium chloride Sodium chloride Sodium nitrate Ammonium chloride Calcium chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main component of liquid bleach is: Sodium hypochlorate Hydrochloric acid Sodium hypochlorite Sodium chloride Sodium hypochlorate Hydrochloric acid Sodium hypochlorite Sodium chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone layer of atmosphere absorbs: Infra-red rays All radiations of Light Ultraviolet rays Cosmic rays. Infra-red rays All radiations of Light Ultraviolet rays Cosmic rays. ANSWER DOWNLOAD EXAMIANS APP
Chemistry Hardness of the water is commonly measured in terms of Magnesium sulphate equivalents Calcium carbonate equivalents Calcium sulphate equivalents Magnesium carbonate equivalents Magnesium sulphate equivalents Calcium carbonate equivalents Calcium sulphate equivalents Magnesium carbonate equivalents ANSWER DOWNLOAD EXAMIANS APP
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