Chemistry Which gas does not form the part of atmosphere ? Chlorine Helium None of these Nitrogen Chlorine Helium None of these Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Litmus is obtained from A bacterium Lichen An alga A fungus A bacterium Lichen An alga A fungus ANSWER DOWNLOAD EXAMIANS APP
Chemistry Alcohol prepared by the distillation of wood is : Ethyl alcohol Propyl alcohol Methyl alcohol Glycerol Ethyl alcohol Propyl alcohol Methyl alcohol Glycerol ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element which is used for vulcanizing rubber Phosphorus Sulphur Bromine Silicon Phosphorus Sulphur Bromine Silicon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Greenhouse effect is caused by Nitrogen Nitrogen dioxide Carbon monoxide Carbon dioxide Nitrogen Nitrogen dioxide Carbon monoxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The following are the half lives of four active isotopes. Which one of the following is the most dangerous to handle? 13 days 3 billion years 0.01 minute 100 years 13 days 3 billion years 0.01 minute 100 years ANSWER DOWNLOAD EXAMIANS APP