Chemistry Which of the following is not a chemical reaction'? Burning of coal Conversion of water into steam Digestion of food Burning of paper Burning of coal Conversion of water into steam Digestion of food Burning of paper ANSWER DOWNLOAD EXAMIANS APP
Chemistry The items amenable to detection by soft x-rays are lead in bullets genuine coins from counterfeit coins narcotics contrabands lead in bullets genuine coins from counterfeit coins narcotics contrabands ANSWER DOWNLOAD EXAMIANS APP
Chemistry Among the following the hardest metal is Gold Iron Tungsten Platinum Gold Iron Tungsten Platinum ANSWER DOWNLOAD EXAMIANS APP
Chemistry In upper layer of atmosphere ozone is formed by The action of ultraviolet rays on oxygen Subjecting oxygen to high pressure The action of nitrogen on oxygen in atmosphere The combination of oxygen molecules The action of ultraviolet rays on oxygen Subjecting oxygen to high pressure The action of nitrogen on oxygen in atmosphere The combination of oxygen molecules ANSWER DOWNLOAD EXAMIANS APP
Chemistry The maximum number of covalent formed by nitrogen is 1 4 2 3 1 4 2 3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following statements is not correct? Vulcanisation of rubber makes it Chemical resistant Withstand higher temperatures Soft and flexible Strong and hard Chemical resistant Withstand higher temperatures Soft and flexible Strong and hard ANSWER DOWNLOAD EXAMIANS APP
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