Chemistry Of the following, which one pollutes the air of a big city ? Lead Copper Chromium Cadmium Lead Copper Chromium Cadmium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The trans-uranium elements are the chemical elements with atomic numbers greater than 96 86 89 92 96 86 89 92 ANSWER DOWNLOAD EXAMIANS APP
Chemistry An emulsion is a colloid of a Liquid in a gas Gas in a solid Gas in a liquid Liquid in a liquid Liquid in a gas Gas in a solid Gas in a liquid Liquid in a liquid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The method that cannot be used for removing permanent hardness of water is adding caustic soda adding sodium carbonate boiling distillation adding caustic soda adding sodium carbonate boiling distillation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a man-made source of air pollution ? Forest fire Bacterial action in soil and swamp areas Automobile exhaust All of these Forest fire Bacterial action in soil and swamp areas Automobile exhaust All of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following acts as best adsorbent? Charcoal Activated Coconut Charcoal Activated Charcoal Carbon black Charcoal Activated Coconut Charcoal Activated Charcoal Carbon black ANSWER DOWNLOAD EXAMIANS APP
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