Chemistry Which of the following chemicals is responsible for depletion of ozone layer in the atmosphere? Nitrous oxide Carbon dioxide Chlorofluorocarbons Sulphur dioxide Nitrous oxide Carbon dioxide Chlorofluorocarbons Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The compound to which H2 does not add is Tetra – a –naphthylethylene Tetra –9 – phenanthrylethylene Biphenyl ethylene Tetraphenyl ethylene Tetra – a –naphthylethylene Tetra –9 – phenanthrylethylene Biphenyl ethylene Tetraphenyl ethylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is liquid non-metal ? Alcohol Mercury Bromine Water Alcohol Mercury Bromine Water ANSWER DOWNLOAD EXAMIANS APP
Chemistry When Hydrogen starts burning in air, it produces ? Methane Water Carbonic Acid Ammonia Methane Water Carbonic Acid Ammonia ANSWER DOWNLOAD EXAMIANS APP
Chemistry 'All the four quantum numbers of two electrons in an atom are not the same.' It is the law of – Avogadro's Law Exclusion Principle of Pauli Uncertainty Principle of Hiesenberg Hund's rule of maximum multiplicity Avogadro's Law Exclusion Principle of Pauli Uncertainty Principle of Hiesenberg Hund's rule of maximum multiplicity ANSWER DOWNLOAD EXAMIANS APP
Chemistry How many atoms of oxygen are in a glucose molecule 3 4 6 10 3 4 6 10 ANSWER DOWNLOAD EXAMIANS APP
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