Chemistry A fertile soil is likely to have a pH of 43989 9 14 3 43989 9 14 3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The monomer of polythene is vinyl chloride ethylene None of these ethyl alcohol vinyl chloride ethylene None of these ethyl alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is usually not an air-pollutant? Sulphur dioxide Nitrous oxide Hydrocarbons Carbon dioxide Sulphur dioxide Nitrous oxide Hydrocarbons Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brown stains in vessels and clothes indicate the presence of high quantities of ________ in water Calcium Magnesium Manganese None of these Calcium Magnesium Manganese None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of d-electrons in Fe2+ (Z = 26) is not equal to that of p-electrons in Ne(Z = 10) s-electrons in Mg(Z = 12) d-electrons in Fe(Z = 26) p-electrons in CI(Z = 17) p-electrons in Ne(Z = 10) s-electrons in Mg(Z = 12) d-electrons in Fe(Z = 26) p-electrons in CI(Z = 17) ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not soluble in water ? Sodium sulphate Lead Sulphate Potassium sulphate Zinc sulphate Sodium sulphate Lead Sulphate Potassium sulphate Zinc sulphate ANSWER DOWNLOAD EXAMIANS APP
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