Chemistry Burning pyrites ore gives out Carbon dioxide gas Sulphur dioxide gas Nitric oxide gas Nitrogen dioxide gas Carbon dioxide gas Sulphur dioxide gas Nitric oxide gas Nitrogen dioxide gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry In addition to hydrogen, the other abundant element present on Sun’s surface is Oxygen Neon Helium Argon Oxygen Neon Helium Argon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Number of6.023 × 1020 atoms present in one mole of a gas at STP is '6.023 × 10–23 6.023 × 1020 6.023 × 1023 '6.023 × 10–20 '6.023 × 10–23 6.023 × 1020 6.023 × 1023 '6.023 × 10–20 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the naturally occuring heaviest element Protactinium Mercury Thorium Uranium Protactinium Mercury Thorium Uranium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Removal of carbon particles from air involves the principle of Precipitation Sedimentation Electrophoresis Filteration Precipitation Sedimentation Electrophoresis Filteration ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is a common name for the substance which irritates lachrymal glands ? Tear Gas Anaesthetic Gas Laughing Gas Noble Gas Tear Gas Anaesthetic Gas Laughing Gas Noble Gas ANSWER DOWNLOAD EXAMIANS APP
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