Chemistry Electric bulbs are filled with : Carbon dioxide Argon Oxygen Nitrogen Carbon dioxide Argon Oxygen Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals is not a pollutant ? Aluminium Lead Mercury Arsenic Aluminium Lead Mercury Arsenic ANSWER DOWNLOAD EXAMIANS APP
Chemistry The percentage of carbon in cost iron is : 6 to 8 0.01 to 0.25 0.5 to 1.5 3 to 5 6 to 8 0.01 to 0.25 0.5 to 1.5 3 to 5 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following vitamins is generally excreted by human in urine? Vitamin D None of these Vitamin B Vitamin C Vitamin D None of these Vitamin B Vitamin C ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is not a pure form of carbon Diamond Graphite Coal Gold Diamond Graphite Coal Gold ANSWER DOWNLOAD EXAMIANS APP
Chemistry Of the following, which one pollutes the air of a big city ? Cadmium Lead Chromium Copper Cadmium Lead Chromium Copper ANSWER DOWNLOAD EXAMIANS APP
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