Chemistry Mercury is emitted into air by Coal fire Burning coal Steam engine Burning garbage Coal fire Burning coal Steam engine Burning garbage ANSWER DOWNLOAD EXAMIANS APP
Chemistry The common name of sodium bicarbonate is Soda lime Baking powder Soda ash Baking soda Soda lime Baking powder Soda ash Baking soda ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant element is Calcium Silicon Nitrogen Oxygen Calcium Silicon Nitrogen Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas involved in Bhopal incident was Nitrogen dioxide Methyl isocyanide Hydrogen sulphide Methyl chloride Nitrogen dioxide Methyl isocyanide Hydrogen sulphide Methyl chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry The three elements most needed in common fertilisers are : Sulphur, Phosphorous and Sodium Nitrogen, Potassium and Phosphorous Calcium, Phosphorous and Potassium Phosphorous, Sodium and Nitrogen Sulphur, Phosphorous and Sodium Nitrogen, Potassium and Phosphorous Calcium, Phosphorous and Potassium Phosphorous, Sodium and Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The oxidation number of nickel in K4[Ni(CN)4] is –4 Zero 8 4 –4 Zero 8 4 ANSWER DOWNLOAD EXAMIANS APP
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