Chemistry The element used for making solar cells is Magnesium Calcium Silicon Sodium Magnesium Calcium Silicon Sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a secondary pollutant ? PAN NO CO SO2 PAN NO CO SO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is the petroleum wax ? Bees wax Paraffin wax Jojoba wax Carnauba wax Bees wax Paraffin wax Jojoba wax Carnauba wax ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following vitamins is generally excreted by human in urine? Vitamin D None of these Vitamin C Vitamin B Vitamin D None of these Vitamin C Vitamin B ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following chemicals helps in fruit ripening? Malathion Ethephon Isoproturan Atrazine Malathion Ethephon Isoproturan Atrazine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Earth’s atmosphere is an envelope of gases extending to a height of 300 km 100 km 200 km 150 km 300 km 100 km 200 km 150 km ANSWER DOWNLOAD EXAMIANS APP