Chemistry Formation of ozone hole is maximum over Europe India Antarctica Africa Europe India Antarctica Africa ANSWER DOWNLOAD EXAMIANS APP
Chemistry The greenhouse effect is caused by the higher level of which gas in the atmosphere ? Carbon monoxide Nitrous oxide Carbon dioxide Sulphur dioxide Carbon monoxide Nitrous oxide Carbon dioxide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element used for making solar cells is Magnesium Silicon Sodium Calcium Magnesium Silicon Sodium Calcium ANSWER DOWNLOAD EXAMIANS APP
Chemistry 'Plaster of Paris' is made by partial dehydration of Blue vitriol Green vitriol Epsom salt Gypsum salt Blue vitriol Green vitriol Epsom salt Gypsum salt ANSWER DOWNLOAD EXAMIANS APP
Chemistry Asbestos is formed of : Calcium and Magnesium Calcium and Zinc Copper, Zinc and Manganese Lead and Iron Calcium and Magnesium Calcium and Zinc Copper, Zinc and Manganese Lead and Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry In an oxygen molecule, two atoms are united by Two bonds Three bonds One bond Four bonds Two bonds Three bonds One bond Four bonds ANSWER DOWNLOAD EXAMIANS APP