Chemistry The major harmful gas emitted by automobile vehicle which causes air pollution is Ozone gas Carbon dioxide Methane Carbon Monoxide Ozone gas Carbon dioxide Methane Carbon Monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following causes the rusting of iron? a. Oxidation b. Reduction c. Chemical reaction with oxygend. Chemical reaction with CO2 C and d A and c B and c A and b C and d A and c B and c A and b ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a greenhouse gas ? Carbon dioxide Nitric oxide Hydrogen Chlorofluorocarbon Carbon dioxide Nitric oxide Hydrogen Chlorofluorocarbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Synthetic detergents are prepared from Glycerides Hydrocarbons of petroleum Sodium salts of higher fattyacids Potassium salts of higher fatty-acids Glycerides Hydrocarbons of petroleum Sodium salts of higher fattyacids Potassium salts of higher fatty-acids ANSWER DOWNLOAD EXAMIANS APP
Chemistry A substance which readily forms colloidal solution in contact with water is called Extrinsic colloid Associated colloid Hydrophobic colloid Hydrophilic colloid Extrinsic colloid Associated colloid Hydrophobic colloid Hydrophilic colloid ANSWER DOWNLOAD EXAMIANS APP
Chemistry When cathode rays strike a target of high atomic weight, they give rise to Positive rays X-rays ? and ? rays ?-rays Positive rays X-rays ? and ? rays ?-rays ANSWER DOWNLOAD EXAMIANS APP