Chemistry The major constituent of air is nitrogen oxygen carbon dioxide hydrogen nitrogen oxygen carbon dioxide hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brass is made of Copper, tin and zinc Copper and tin Copper and zinc Tin and lead Copper, tin and zinc Copper and tin Copper and zinc Tin and lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element used in the manufacture of safety matches is Magnesium Sulphur Silicon Phosphorous Magnesium Sulphur Silicon Phosphorous ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitrogen in water is commonly found in the form of Nitrous oxide Nitric oxide Nitrate Nitrite Nitrous oxide Nitric oxide Nitrate Nitrite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The common refrigerant in domestic refrigerator is Oxygen Neon Nitrogen Freon Oxygen Neon Nitrogen Freon ANSWER DOWNLOAD EXAMIANS APP
Chemistry White phosphorus is always kept under Kerosene Benzene Ether Water Kerosene Benzene Ether Water ANSWER DOWNLOAD EXAMIANS APP
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