Chemistry Which of the following metals can displace copper from copper sulphate solution ? Mercury Platinum Iron Gold Mercury Platinum Iron Gold ANSWER DOWNLOAD EXAMIANS APP
Chemistry Normal rainwater has a pH level of 3.2 5.6 8.3 6.3 3.2 5.6 8.3 6.3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The water pollution in river is measured by the dissolved amount of Nitrogen Chlorine Ozone Oxygen Nitrogen Chlorine Ozone Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Greenhouse effect is caused by Carbon dioxide Nitrogen Nitrogen dioxide Carbon monoxide Carbon dioxide Nitrogen Nitrogen dioxide Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a greenhouse gas ? Hydrogen Nitric oxide Chlorofluorocarbon Carbon dioxide Hydrogen Nitric oxide Chlorofluorocarbon Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Tear gas used by the police to disperse the mob contains Chlorine Hydrogen sulphide Carbon dioxide Ammonia Chlorine Hydrogen sulphide Carbon dioxide Ammonia ANSWER DOWNLOAD EXAMIANS APP