Chemistry Cement is usually a mixture of : Calcium silicate and calcium ferrate Lime stone and silicon dioxide Calcium aluminate and calcium ferrate Calcium silicate and calcium aluminate Calcium silicate and calcium ferrate Lime stone and silicon dioxide Calcium aluminate and calcium ferrate Calcium silicate and calcium aluminate ANSWER DOWNLOAD EXAMIANS APP
Chemistry When a bond is formed between two atoms, the energy of the system will Decrease Remain the same Increase May increase or decrease Decrease Remain the same Increase May increase or decrease ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitrogen is an essential constituent of all : Proteins Fats Carbohydrates Vitamins Proteins Fats Carbohydrates Vitamins ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is a sublime substance? Table salt Iodine Sugar Potassium Iodide Table salt Iodine Sugar Potassium Iodide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main buffer system of the human blood is H2CO3 - CO32- NH2CONH2 - NH2CONH+ H2CO3 - HCO3 CH3COOH - CH3COO- H2CO3 - CO32- NH2CONH2 - NH2CONH+ H2CO3 - HCO3 CH3COOH - CH3COO- ANSWER DOWNLOAD EXAMIANS APP
Chemistry The reaction intermediate formed during the preparation of diethylether from ethanol by treatment with H2SO4 is Free radical Carbanion Carbocation Carbene Free radical Carbanion Carbocation Carbene ANSWER DOWNLOAD EXAMIANS APP
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