Chemistry What is the element that is in the highest percentage in the composition of the earth ? Iron Magnesium Silicon Oxygen Iron Magnesium Silicon Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry In upper layer of atmosphere ozone is formed by The action of ultraviolet rays on oxygen The combination of oxygen molecules Subjecting oxygen to high pressure The action of nitrogen on oxygen in atmosphere The action of ultraviolet rays on oxygen The combination of oxygen molecules Subjecting oxygen to high pressure The action of nitrogen on oxygen in atmosphere ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is Zeolite? Hydrated Aluminosilicate Dehydrated Calcium Sulphate Dehydrated Aluminosilicate Hydrated Calcium Sulphate Hydrated Aluminosilicate Dehydrated Calcium Sulphate Dehydrated Aluminosilicate Hydrated Calcium Sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The molecular mass of a gas is Half its vapour pressure Equal to its vapour pressure Not related to its vapour pressure Twice its vapour pressure Half its vapour pressure Equal to its vapour pressure Not related to its vapour pressure Twice its vapour pressure ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant element by number in the living system is : Hydrogen Oxygen Nitrogen Carbon Hydrogen Oxygen Nitrogen Carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is the heaviest metal among the following? Copper Gold Silver Iron Copper Gold Silver Iron ANSWER DOWNLOAD EXAMIANS APP