Chemistry The trans-uranium elements are the chemical elements with atomic numbers greater than 86 92 89 96 86 92 89 96 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The greenhouse effect is caused by the higher level of which gas in the atmosphere ? Nitrous oxide Carbon monoxide Sulphur dioxide Carbon dioxide Nitrous oxide Carbon monoxide Sulphur dioxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Synthetic detergents are prepared from Potassium salts of higher fatty-acids Sodium salts of higher fattyacids Glycerides Hydrocarbons of petroleum Potassium salts of higher fatty-acids Sodium salts of higher fattyacids Glycerides Hydrocarbons of petroleum ANSWER DOWNLOAD EXAMIANS APP
Chemistry Heating of a ore below its melting point in the absence of air is known as Smelting Roasting Refining Calcination Smelting Roasting Refining Calcination ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a man-made source of air pollution ? All of these Forest fire Automobile exhaust Bacterial action in soil and swamp areas All of these Forest fire Automobile exhaust Bacterial action in soil and swamp areas ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cinnabar is an ore/mineral of Lead Manganese Molybdenum Mercury Lead Manganese Molybdenum Mercury ANSWER DOWNLOAD EXAMIANS APP
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