Chemistry Supersonic jet causes pollution by thinning of O3 layer CO2 layer SO2 layer O 2 layer O3 layer CO2 layer SO2 layer O 2 layer ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of these acids is not organic in origin? Sulphuric acid Lactic acid Citric acid Oxalic acid Sulphuric acid Lactic acid Citric acid Oxalic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following gases has the highest calorific value? Natural gas Water gas Indane gas Coal gas Natural gas Water gas Indane gas Coal gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry Most poisonous pollutant in water is Zinc Phosphate Arsenic Detergent Zinc Phosphate Arsenic Detergent ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sea water can be purified by the process of Distillation Fractional distillation Evaporation Filtration Distillation Fractional distillation Evaporation Filtration ANSWER DOWNLOAD EXAMIANS APP
Chemistry If there is one million Mg2+ ions in MgCl2, how many chloride ions are there? Two million Half a million Ten million One million Two million Half a million Ten million One million ANSWER DOWNLOAD EXAMIANS APP
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