Chemistry The two metal ions that cause hardness to water are: Sodium, Potassium Calcium, Magnesium Sodium, Calcium Sodium, Magnesium Sodium, Potassium Calcium, Magnesium Sodium, Calcium Sodium, Magnesium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Vinegar is ________ . Diluted formic acid Diluted acetic acid Glacial acetic acid Glacial formic acid Diluted formic acid Diluted acetic acid Glacial acetic acid Glacial formic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The acid which is secreted by the glands in the stomach wall is Nitric acid Phosphoric acid Hydrochloric acid Sulphuric acid Nitric acid Phosphoric acid Hydrochloric acid Sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Oxygen has (+) oxidation number only in H2O (2) C12O OF2 N2O H2O (2) C12O OF2 N2O ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitrogen is an essential constituent of all : Carbohydrates Fats Vitamins Proteins Carbohydrates Fats Vitamins Proteins ANSWER DOWNLOAD EXAMIANS APP
Chemistry A non-electronic conductor is Iron Gas Carbon None of these Copper Sulphate Iron Gas Carbon None of these Copper Sulphate ANSWER DOWNLOAD EXAMIANS APP
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