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Chemistry
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Chemistry in Every Day Life
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Chemistry in Every Day Life
Easy Questions
Moderate Questions
Chemistry
Nature and Composition of Substances
Atomic Structure
Radioactivity
Periodic classification of element
Chemistry in Every Day Life
Biomolecules
Hydrocarbons and Its Derivatives
Non Metals and Their Compounds
Metals and Their Compounds
Surface Chemistry
Electrolytes & Electrochemistry
Solutions
Thermodynamics and Energetics
Catalysis
Properties of Gases
Acids, Bases and Salt
Oxidation and Reduction
Chemical Bonding
Chemistry miscellaneous
Which of the following is not a natural source of air pollution ?
Volcanic eruptions and lightening discharge
Biological decay of vegetable matter
Photochemical oxidation of organic number
None of the above
Correct Option:
D
NA
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