Chemistry Which of the following is not a natural source of hydrocarbon? Coal Mica Natural Gas Petroleum Coal Mica Natural Gas Petroleum ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which metal is extracted from sea water? Beryllium Aluminium Magnesium Potassium Beryllium Aluminium Magnesium Potassium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Heavy metal pollution of water is caused by: Wood burning Acid Plants Domestic sewage Paints Wood burning Acid Plants Domestic sewage Paints ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following type of coal has the lowest proportion of volatile matter ? Anthracite Lignite Peat Bituminous Anthracite Lignite Peat Bituminous ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a method of preparing oxygen? Decomposition of potassium permanganate Fractional distillation of liquid air Electrolysis of water Decomposition of manganese dioxide Decomposition of potassium permanganate Fractional distillation of liquid air Electrolysis of water Decomposition of manganese dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following acts as promoter for iron in Haber's process Mg Mo Mn W Mg Mo Mn W ANSWER DOWNLOAD EXAMIANS APP
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