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 A non-electronic conductor is Iron None of these Gas Carbon Copper Sulphate Iron None of these Gas Carbon Copper Sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Equal masses of oxygen, hydrogen and methane are kept under identical conditions. The ratio of the volumes of gases will be 1 : 1 : 1 2 : 16 : 1 2 : 16 : 2 1 : 16 : 2 1 : 1 : 1 2 : 16 : 1 2 : 16 : 2 1 : 16 : 2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Water gas is the mixture of Carbon monoxide and nitrogen Carbon dioxide and hydrogen Carbon monoxide and hydrogen Carbon dioxide and nitrogen Carbon monoxide and nitrogen Carbon dioxide and hydrogen Carbon monoxide and hydrogen Carbon dioxide and nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry An example of major air pollutant is Helium Carbon dioxide Oxygen Carbon monoxide Helium Carbon dioxide Oxygen Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the most reactive gaseous element Iodine Bromine Chlorine Flourine Iodine Bromine Chlorine Flourine ANSWER DOWNLOAD EXAMIANS APP
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