Chemistry The depletion of ozone layer is due to Chloro fluoro carbon Sulphur dioxide Ethane Carbon dioxide Chloro fluoro carbon Sulphur dioxide Ethane Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Submarines move under water. They have engines that run on Petrol and oxygen Steam Diesel Batteries Petrol and oxygen Steam Diesel Batteries ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas which emits from rice field is Ethane All of these Methane Nitrogen Ethane All of these Methane Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry An example of replenishable energy source is– Coal Biomass Lignite Petroleum Coal Biomass Lignite Petroleum ANSWER DOWNLOAD EXAMIANS APP
Chemistry What are the number of moles of CO2 which contains 16 g of oxygen? 0.25 mole 0.2 mole 0.5 mole 0.4 mole 0.25 mole 0.2 mole 0.5 mole 0.4 mole ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a commercial source of energy? Sun Dried dung Agricultural waste Natural gas Sun Dried dung Agricultural waste Natural gas ANSWER DOWNLOAD EXAMIANS APP
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