Chemistry The first metal used by a man was Bronze Copper Silver Brass Bronze Copper Silver Brass ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sodium bicarbonate is commercially known as Caustic soda Washing soda Baking soda Soda lime Caustic soda Washing soda Baking soda Soda lime ANSWER DOWNLOAD EXAMIANS APP
Chemistry This group of alumino-silicate minerals is widely used in making electrical insulators Manganese Bauxite Chromite Mica Manganese Bauxite Chromite Mica ANSWER DOWNLOAD EXAMIANS APP
Chemistry White coal is None of these Hydro-electricity Diamond Uranium None of these Hydro-electricity Diamond Uranium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The wire of flash bulb is made of: Barium Silver Copper Magnesium Barium Silver Copper Magnesium ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS