Chemistry The metallic constituents of hard water are : Magnesium, calcium and tin Calcium, magnesium and iron Iron, tin and calcium Magnesium, tin and iron Magnesium, calcium and tin Calcium, magnesium and iron Iron, tin and calcium Magnesium, tin and iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following chemicals helps in fruit ripening? Isoproturan Malathion Ethephon Atrazine Isoproturan Malathion Ethephon Atrazine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Hydrogen is not found in atmosphere because It immediately combines with oxygen to form water It is the lightest gas It is absorbed by plants It is highly inflammable It immediately combines with oxygen to form water It is the lightest gas It is absorbed by plants It is highly inflammable ANSWER DOWNLOAD EXAMIANS APP
Chemistry The reaction intermediate formed during the preparation of diethylether from ethanol by treatment with H2SO4 is Carbocation Free radical Carbanion Carbene Carbocation Free radical Carbanion Carbene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not soluble in water ? Potassium sulphate Lead Sulphate Zinc sulphate Sodium sulphate Potassium sulphate Lead Sulphate Zinc sulphate Sodium sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Rectified spirit is : 95% ethyl alcohol Methylated spirit Tincture iodine 100% ethyl alcohol 95% ethyl alcohol Methylated spirit Tincture iodine 100% ethyl alcohol ANSWER DOWNLOAD EXAMIANS APP
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