Chemistry Supersonic jet causes pollution by thinning of O 2 layer O3 layer SO2 layer CO2 layer O 2 layer O3 layer SO2 layer CO2 layer ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the covalency of nitrogen in ammonia molecule 5 2 4 3 5 2 4 3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following elements is found in maximum percentage in the human body ? Nitrozen Carbon Hydrogen Oxyzen Nitrozen Carbon Hydrogen Oxyzen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal that is used as a catalyst in the hydrogenation of oils is Ni Pb Pt Cu Ni Pb Pt Cu ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following minerals is found in Monazite sand ? Uranium Potassium Thorium Sodium Uranium Potassium Thorium Sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The polymer used in making plastic crockery is Melamine Nylon Decron Bakelite Melamine Nylon Decron Bakelite ANSWER DOWNLOAD EXAMIANS APP
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