Chemistry Philosopher’s Wool is Zinc blende Zinc carbonate Zinc sulphate Zinc oxide Zinc blende Zinc carbonate Zinc sulphate Zinc oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is used as a catalyst in the production of high octane fuels? HCl HNO3 H2SO4 HF HCl HNO3 H2SO4 HF ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is not a green house gas ? CO2 Chlorofluorocarbons N2O CH4 CO2 Chlorofluorocarbons N2O CH4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sulphur dioxide level in the atmosphere can be reduced by using More efficient car engines Low - sulphur fuels Catalytic converters in industry Static electricity to attract it in factory chimneys More efficient car engines Low - sulphur fuels Catalytic converters in industry Static electricity to attract it in factory chimneys ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element with highest first ionisation energy is Lithium Helium Sodium Hydrogen Lithium Helium Sodium Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a method of preparing oxygen? Decomposition of manganese dioxide Fractional distillation of liquid air Decomposition of potassium permanganate Electrolysis of water Decomposition of manganese dioxide Fractional distillation of liquid air Decomposition of potassium permanganate Electrolysis of water ANSWER DOWNLOAD EXAMIANS APP
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