Chemistry At room temperature, the metal that remains liquid is: Lead Mercury Platinum Zinc Lead Mercury Platinum Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is not a primary greenhouse gases in the Earth's atmosphere Methane Nitrogen Ozone Carbon dioxide Methane Nitrogen Ozone Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry When water itself combines chemically with some element or mineral it is called Oxidation Desilication Carbonation Hydration Oxidation Desilication Carbonation Hydration ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a commercial source of energy? Petroleum Coal Firewood Natural Gas Petroleum Coal Firewood Natural Gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is used in storage batteries? Zinc Tin Copper Lead Zinc Tin Copper Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Threshold limit value of copper in the atmospheric air is 0.01 mg/m3 1.0 mg/m3 0.001 mg/m3 5.0 mg/m3 0.01 mg/m3 1.0 mg/m3 0.001 mg/m3 5.0 mg/m3 ANSWER DOWNLOAD EXAMIANS APP