Fine organic or inorganic particles suspended in air is called _______________?

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The soul of chemistry is dealing with___________?

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On passing through food stuff, X-ray can kill the___________?

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Penicillin is used to fight what type of infections?

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What is the world’s warmest Sea?

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The average weight of man’s brain is 4.8 ounces. What is the average weight of woman’s brain ?

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