Chemistry The substance most commonly used as a food preservative is Sodium carbonate Sodium salt of benzoic acid Acetic acid Tartaric acid Sodium carbonate Sodium salt of benzoic acid Acetic acid Tartaric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metallic constituents of hard water are : Calcium, magnesium and iron Magnesium, tin and iron Iron, tin and calcium Magnesium, calcium and tin Calcium, magnesium and iron Magnesium, tin and iron Iron, tin and calcium Magnesium, calcium and tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following does not form oxyacid ? Nitrogen Fluorine Chlorine Sulphur Nitrogen Fluorine Chlorine Sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following forms of phosphorus is most reactive? Violet phosphorus White phosphorus Black phosphorus Red phosphorus Violet phosphorus White phosphorus Black phosphorus Red phosphorus ANSWER DOWNLOAD EXAMIANS APP
Chemistry Commercial Vaseline is derived from Wool wax Coal tar Plant gums Petroleum Wool wax Coal tar Plant gums Petroleum ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS