Chemistry This group of alumino-silicate minerals is widely used in making electrical insulators Mica Chromite Manganese Bauxite Mica Chromite Manganese Bauxite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The common refrigerant in domestic refrigerator is Oxygen Neon Freon Nitrogen Oxygen Neon Freon Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry In chemical terms, what are alums used for purifying water for drinking purposes ? Double nitrate Hydrated chlorides Nitrates of aluminium Double sulphates Double nitrate Hydrated chlorides Nitrates of aluminium Double sulphates ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical substance present in bones and teeth is Calcium chloride Calcium phosphate Calcium sulphate Calcium borate Calcium chloride Calcium phosphate Calcium sulphate Calcium borate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The rusting of iron is a/an Electrochemical change Physical change Electrical change None of these Electrochemical change Physical change Electrical change None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main source of carbon monoxide is Transportation Industrial process Solid waste disposal Fuel combustion Transportation Industrial process Solid waste disposal Fuel combustion ANSWER DOWNLOAD EXAMIANS APP
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