Chemistry Sulphur dioxide level in the atmosphere can be reduced by using Static electricity to attract it in factory chimneys Catalytic converters in industry More efficient car engines Low - sulphur fuels Static electricity to attract it in factory chimneys Catalytic converters in industry More efficient car engines Low - sulphur fuels ANSWER DOWNLOAD EXAMIANS APP
Chemistry Earth’s atmosphere is an envelope of gases extending to a height of 100 km 150 km 200 km 300 km 100 km 150 km 200 km 300 km ANSWER DOWNLOAD EXAMIANS APP
Chemistry Total number of naturally occurring elements 110 98 62 92 110 98 62 92 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one element from below list is liquid at room temperature Zinc Bromine Lead Argon Zinc Bromine Lead Argon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Stainless steel is usually made by alloying the steel with Copper and nickel Copper and chromium Chromium and nickel Manganese and copper Copper and nickel Copper and chromium Chromium and nickel Manganese and copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry In chemical terms, what are alums used for purifying water for drinking purposes ? Double sulphates Hydrated chlorides Nitrates of aluminium Double nitrate Double sulphates Hydrated chlorides Nitrates of aluminium Double nitrate ANSWER DOWNLOAD EXAMIANS APP
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