Chemistry The oxidation number of nickel in K4[Ni(CN)4] is 4 8 –4 Zero 4 8 –4 Zero ANSWER DOWNLOAD EXAMIANS APP
Chemistry Asbestos is formed of : Calcium and Zinc Lead and Iron Calcium and Magnesium Copper, Zinc and Manganese Calcium and Zinc Lead and Iron Calcium and Magnesium Copper, Zinc and Manganese ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which mineral is the ore of aluminium ? Siderite Magnetite Haematite Bauxite Siderite Magnetite Haematite Bauxite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a secondary pollutant ? CO PAN NO SO2 CO PAN NO SO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Number of6.023 × 1020 atoms present in one mole of a gas at STP is '6.023 × 10–23 6.023 × 1023 '6.023 × 10–20 6.023 × 1020 '6.023 × 10–23 6.023 × 1023 '6.023 × 10–20 6.023 × 1020 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is found in kidney stones? Sodium oxalate Calcium acetate Calcium oxalate Sodium chloride Sodium oxalate Calcium acetate Calcium oxalate Sodium chloride ANSWER DOWNLOAD EXAMIANS APP
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