Chemistry What is the covalency of nitrogen in ammonia molecule 2 5 4 3 2 5 4 3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a method of preparing oxygen? Decomposition of potassium permanganate Fractional distillation of liquid air Electrolysis of water Decomposition of manganese dioxide Decomposition of potassium permanganate Fractional distillation of liquid air Electrolysis of water Decomposition of manganese dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The purest form of water is Distilled water Tap water Rain water Ground water Distilled water Tap water Rain water Ground water ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most volatile of the given liquids is Liquid Liquid He Ether Liquid NH3 Liquid Liquid He Ether Liquid NH3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which metal does not undergo corrosion due to the formation of oxide layer? Zinc Copper Iron Aluminium Zinc Copper Iron Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following chemicals helps in fruit ripening? Ethephon Malathion Isoproturan Atrazine Ethephon Malathion Isoproturan Atrazine ANSWER DOWNLOAD EXAMIANS APP
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