Chemistry What is the element that is in the highest percentage in the composition of the earth ? Oxygen Magnesium Silicon Iron Oxygen Magnesium Silicon Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Surface water is a better source of drinking water because it is poor in Arsenic Dust Algae Bacteria Arsenic Dust Algae Bacteria ANSWER DOWNLOAD EXAMIANS APP
Chemistry The maximum number of covalent formed by nitrogen is 4 1 2 3 4 1 2 3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the purest form of carbon Graphite Diamond Coal Iron Graphite Diamond Coal Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry This group of alumino-silicate minerals is widely used in making electrical insulators Chromite Mica Bauxite Manganese Chromite Mica Bauxite Manganese ANSWER DOWNLOAD EXAMIANS APP
Chemistry Conversion of chemical energy into electrical energy occurs in Dynamo A battery Atomic bombs Electric heaters Dynamo A battery Atomic bombs Electric heaters ANSWER DOWNLOAD EXAMIANS APP
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