Chemistry Which of the following is a man-made source of air pollution ? Bacterial action in soil and swamp areas All of these Forest fire Automobile exhaust Bacterial action in soil and swamp areas All of these Forest fire Automobile exhaust ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a chemical reaction'? Burning of coal Burning of paper Conversion of water into steam Digestion of food Burning of coal Burning of paper Conversion of water into steam Digestion of food ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bee sting contains A corrosive liquid An acidic liquid An alkaline liquid A salt solution A corrosive liquid An acidic liquid An alkaline liquid A salt solution ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal chiefly used for galvanising iron is : Tin Cadmium Zinc Mercury Tin Cadmium Zinc Mercury ANSWER DOWNLOAD EXAMIANS APP
Chemistry Permanent – hardness of water may be removed by addition of Alum Potassium Permangante Sodium carbonate Lime Alum Potassium Permangante Sodium carbonate Lime ANSWER DOWNLOAD EXAMIANS APP
Chemistry The value of gas constant R in Ergs deg–1 mole–1 is 8.413 × 107 8.314 × 107 8.341 × 107 4.183 × 107 8.413 × 107 8.314 × 107 8.341 × 107 4.183 × 107 ANSWER DOWNLOAD EXAMIANS APP
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