Chemistry Which one of the following metals does not react with water to produce Hydrogen ? Cadmium Potassium Sodium Lithium Cadmium Potassium Sodium Lithium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Glycol is added to aviation gasoline because it Reduces consumption of petrol Prevents freezing of petrol Reduces evaporation of petrol Increases efficiency of petrol Reduces consumption of petrol Prevents freezing of petrol Reduces evaporation of petrol Increases efficiency of petrol ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major constituent of air is hydrogen carbon dioxide nitrogen oxygen hydrogen carbon dioxide nitrogen oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which amidst the following is not a gem stone ? Opal Pearl Topaz Cat's-eye Opal Pearl Topaz Cat's-eye ANSWER DOWNLOAD EXAMIANS APP
Chemistry The substance most commonly used as a food preservative is Tartaric acid Sodium carbonate Acetic acid Sodium salt of benzoic acid Tartaric acid Sodium carbonate Acetic acid Sodium salt of benzoic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry ________ is a by product of sewage treatment and can be decomposed to produce biogas Scum Sludge Sewer Sewage Scum Sludge Sewer Sewage ANSWER DOWNLOAD EXAMIANS APP