Chemistry The most abundant inert gas in the atmosphere is Krypton Neon Helium Argon Krypton Neon Helium Argon ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is 'milk of magnesia' chemically? Magnesium carbonate Sodium bicarbonate Magnesium hydroxide Calcium hydroxide Magnesium carbonate Sodium bicarbonate Magnesium hydroxide Calcium hydroxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal chiefly used for galvanising iron is : Mercury Tin Cadmium Zinc Mercury Tin Cadmium Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following laser types is used in a laser printer? Semiconductor laser Dye laser Gas laser Excimer laser Semiconductor laser Dye laser Gas laser Excimer laser ANSWER DOWNLOAD EXAMIANS APP
Chemistry The heaviest naturally occurring element is: Uranium Mercury Polonium Thorium Uranium Mercury Polonium Thorium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain' is caused due to air - pollution by Methane Nitrous oxide and sulphur dioxide Carbon dioxide Carbon monoxide Methane Nitrous oxide and sulphur dioxide Carbon dioxide Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
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