Chemistry Setting of plaster of paris involves Oxidation process Dehydration process Reduction process Hydration to form other hydrates Oxidation process Dehydration process Reduction process Hydration to form other hydrates ANSWER DOWNLOAD EXAMIANS APP
Chemistry Commercial nitric acid is coloured because it contains dissolved : Nitrous oxide Oxygen Nitrogen dioxide Coloured impurities Nitrous oxide Oxygen Nitrogen dioxide Coloured impurities ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a natural polymer? Bakelite Starch Polythene Nylon Bakelite Starch Polythene Nylon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Except mercury which is the other metal that is liquid at standard conditions for temperature and pressure Magnesium Lead Bromine Barium Magnesium Lead Bromine Barium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main active constituent of tea and coffee is caffeine nicotine chlorophyll aspirin caffeine nicotine chlorophyll aspirin ANSWER DOWNLOAD EXAMIANS APP
Chemistry What happens when a chemical bond is formed ? More energy is released than is absorbed Energy is always absorbed Energy is neither released nor absorbed Energy in always released More energy is released than is absorbed Energy is always absorbed Energy is neither released nor absorbed Energy in always released ANSWER DOWNLOAD EXAMIANS APP
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