Chemistry A metal is exposed to the atmosphere for sometime. It becomes coated with green carbonate. The metal must be Zinc Aluminium Silver Copper Zinc Aluminium Silver Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following chemicals helps in fruit ripening? Malathion Atrazine Ethephon Isoproturan Malathion Atrazine Ethephon Isoproturan ANSWER DOWNLOAD EXAMIANS APP
Chemistry When iron rusts, its weight Increases Remains the same First increases and then decreases Decreases Increases Remains the same First increases and then decreases Decreases ANSWER DOWNLOAD EXAMIANS APP
Chemistry Glycol is added to aviation gasoline because it Prevents freezing of petrol Reduces evaporation of petrol Reduces consumption of petrol Increases efficiency of petrol Prevents freezing of petrol Reduces evaporation of petrol Reduces consumption of petrol Increases efficiency of petrol ANSWER DOWNLOAD EXAMIANS APP
Chemistry J.J. Thomson’s proposed model of atom is generally called ________ model. Cream and cake Plum and pudding Plum and cake Cream and pudding Cream and cake Plum and pudding Plum and cake Cream and pudding ANSWER DOWNLOAD EXAMIANS APP
Chemistry Burning pyrites ore gives out Sulphur dioxide gas Nitrogen dioxide gas Carbon dioxide gas Nitric oxide gas Sulphur dioxide gas Nitrogen dioxide gas Carbon dioxide gas Nitric oxide gas ANSWER DOWNLOAD EXAMIANS APP
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