Chemistry The first metal used by a man was Silver Bronze Copper Brass Silver Bronze Copper Brass ANSWER DOWNLOAD EXAMIANS APP
Chemistry The liquid waste from kitchens and baths, of residences is known as : Sullage Refuse Domestic sewage Storm water Sullage Refuse Domestic sewage Storm water ANSWER DOWNLOAD EXAMIANS APP
Chemistry The Refrigerant 'FREON' is Calcium Tetra Fluoride Fluorspar and Felspar Hydrofluosilicic Acid Difluoro Dichloro Methane Calcium Tetra Fluoride Fluorspar and Felspar Hydrofluosilicic Acid Difluoro Dichloro Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The hardest form of carbon is charcoal graphite coke diamond charcoal graphite coke diamond ANSWER DOWNLOAD EXAMIANS APP
Chemistry Hard steel contains 2 to 5 per cent carbon 0.1 to 0.4 per cent carbon 0.01 to 0.04 per cent carbon 0.5 to 1.5 per cent carbon 2 to 5 per cent carbon 0.1 to 0.4 per cent carbon 0.01 to 0.04 per cent carbon 0.5 to 1.5 per cent carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry A substance which readily forms colloidal solution in contact with water is called Extrinsic colloid Hydrophilic colloid Hydrophobic colloid Associated colloid Extrinsic colloid Hydrophilic colloid Hydrophobic colloid Associated colloid ANSWER DOWNLOAD EXAMIANS APP
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