Chemistry When Hydrogen starts burning in air, it produces ? Water Ammonia Carbonic Acid Methane Water Ammonia Carbonic Acid Methane 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 × 10–20 6.023 × 1023 6.023 × 1020 '6.023 × 10–23 '6.023 × 10–20 6.023 × 1023 6.023 × 1020 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The following are the half lives of four active isotopes. Which one of the following is the most dangerous to handle? 0.01 minute 100 years 3 billion years 13 days 0.01 minute 100 years 3 billion years 13 days ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element with highest first ionisation energy is Sodium Hydrogen Helium Lithium Sodium Hydrogen Helium Lithium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Who modified Bohr's theory by introducing elliptical orbits for electron path Sommerfeld Thomson Hund Rutherford Sommerfeld Thomson Hund Rutherford ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sour milk contains Lactic acid Acetic acid Citric acid Tartaric acid Lactic acid Acetic acid Citric acid Tartaric acid ANSWER DOWNLOAD EXAMIANS APP
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