Chemistry Substance used as an anti freeze in radiators of automobiles is : Methyl alcohol and H2O Ethyl alcohol and H2O Ethyl alcohol Methyl alcohol Methyl alcohol and H2O Ethyl alcohol and H2O Ethyl alcohol Methyl alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Tetra ethyle lead (TEL) is A reductant An antioxidant A catalyst in burning fossil fuel An antiknock compound A reductant An antioxidant A catalyst in burning fossil fuel An antiknock compound ANSWER DOWNLOAD EXAMIANS APP
Chemistry The addition of gypsum to portland cement helps in : Preventing rapid setting of cement Reduction in the cost of cement Rapid setting of cement Increasing the strength of cement Preventing rapid setting of cement Reduction in the cost of cement Rapid setting of cement Increasing the strength of cement ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the chemical name for ‘Baking Soda’ ? Sodium nitrite Sodium nitrate Sodium carbonate Sodium bicarbonate Sodium nitrite Sodium nitrate Sodium carbonate Sodium bicarbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The manufacturing of iron from iron ore involves the process of Reduction Electrolysis Fractional distillation Oxidation Reduction Electrolysis Fractional distillation Oxidation ANSWER DOWNLOAD EXAMIANS APP
Chemistry When lime juice is dropped on baking soda, brisk effervescence takes place because the gas evolved is All of them Carbon dioxide Hydrogen Oxygen All of them Carbon dioxide Hydrogen Oxygen ANSWER DOWNLOAD EXAMIANS APP