Chemistry Which one of the following group of gases contributes to the 'Green House Effect'? Ammonia and Ozone Carbon dioxide and Methane Carbon tetraflouride and Nitrous oxide Carbon monoxide and Sulphur dioxide Ammonia and Ozone Carbon dioxide and Methane Carbon tetraflouride and Nitrous oxide Carbon monoxide and Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Food cans are coated with tin and not with zinc because Zinc is less reactive than tin Zinc has a higher melting point than tin Zinc is more reactive than tin Zinc is costlier than tin Zinc is less reactive than tin Zinc has a higher melting point than tin Zinc is more reactive than tin Zinc is costlier than tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main use of salt in the diet is to produce in small amounts the hydrochloric acid required for the digestion of food make the taste of food better increase the solubility of food particles in water ease the process of cooking produce in small amounts the hydrochloric acid required for the digestion of food make the taste of food better increase the solubility of food particles in water ease the process of cooking ANSWER DOWNLOAD EXAMIANS APP
Chemistry If lime water is kept in the air, it turns milky due to presence of : Carbondioxide Sulphurdioxide Nitrogen Oxygen Carbondioxide Sulphurdioxide Nitrogen Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical(s) most commonly used for cloud seeding or ‘artificial rainmaking’ is/are Dry ice or frozen carbon dioxide Silver Iodide Sodium Chloride All listed here Dry ice or frozen carbon dioxide Silver Iodide Sodium Chloride All listed here ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used as a lubricant in heavy machines? Bauxite Graphite Phosphorus Sulphur Bauxite Graphite Phosphorus Sulphur ANSWER DOWNLOAD EXAMIANS APP
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