Chemistry Which of the following metals occurs in free state ? Zinc Iron Lead Copper Zinc Iron Lead Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chief source for the production of nitrogeneous fertilizers is : Nitric acid Nitrogen dioxide Nitrogen Ammonia Nitric acid Nitrogen dioxide Nitrogen Ammonia ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone layer is present in Ionosphere Troposphere Stratosphere Exosphere Ionosphere Troposphere Stratosphere Exosphere ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to remove ink and rust stains on cloth? Oxalic acid Ether Alcohol Kerosene oil Oxalic acid Ether Alcohol Kerosene oil ANSWER DOWNLOAD EXAMIANS APP
Chemistry One of the following is used to dissolve noble metals. That is Nitric acid Hydrochloric acid Aqua ragia Sulphuric acid Nitric acid Hydrochloric acid Aqua ragia Sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The substance which does not expand on going from liquid state to solid state is Aluminium Cast-iron Type metal Water Aluminium Cast-iron Type metal Water ANSWER DOWNLOAD EXAMIANS APP
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