Chemistry What particles move around the nucleus of an atom and are negatively charged? Neutrons Electrons Positrons Protons Neutrons Electrons Positrons Protons ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element used for making solar cells is Magnesium Calcium Silicon Sodium Magnesium Calcium Silicon Sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry For extinguishing fire, we use Hydrogen Carbon Monoxide Marsh gas Carbon Dioxide Hydrogen Carbon Monoxide Marsh gas Carbon Dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry One property of ammonia is Its aqueous solution turns red litmus blue It is a odourless gas It is insoluble in water It is a yellowish gas Its aqueous solution turns red litmus blue It is a odourless gas It is insoluble in water It is a yellowish gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry A metal is exposed to the atmosphere for sometime. It becomes coated with green carbonate. The metal must be Copper Aluminium Zinc Silver Copper Aluminium Zinc Silver ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which metal is the heaviest in periodic table among the following ? Pt Pb W Os Pt Pb W Os ANSWER DOWNLOAD EXAMIANS APP
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