Chemistry The atmospheric gas that is mainly responsible for Green House effect : Oxygen Carbondioxide Nitrogen Ozone Oxygen Carbondioxide Nitrogen Ozone ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is pure matter ? Iron Carbon–dioxide Brass Air Iron Carbon–dioxide Brass Air ANSWER DOWNLOAD EXAMIANS APP
Chemistry Heavy metal pollution of water is caused by: Wood burning Domestic sewage Acid Plants Paints Wood burning Domestic sewage Acid Plants Paints ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is used as a catalyst in the production of high octane fuels? HNO3 HF H2SO4 HCl HNO3 HF H2SO4 HCl ANSWER DOWNLOAD EXAMIANS APP
Chemistry Who developed Hydrogen Bomb? Samuel Cohen Wernher Von Braun Edward Teller J. Robert Oppen Heimer Samuel Cohen Wernher Von Braun Edward Teller J. Robert Oppen Heimer ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the element that is in the highest percentage in the composition of the earth ? Oxygen Magnesium Iron Silicon Oxygen Magnesium Iron Silicon ANSWER DOWNLOAD EXAMIANS APP
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