Day 259: MHT-CET Chemistry

1. A.
   By burning sulphur in air
2. B.
   By treating sodium sulphite with dil. sulphuric acid
3. C.
   By treating sodium sulphite with dil. hydrochloric acid
4. D.
   By roasting zinc sulphide and iron pyrites

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1. A.
   $\text{CH}_3\text{-CH=CH-CH}_2\text{-CH}_2\text{-OH}$
2. B.
   $\text{CH}_3\text{-CH=CH-CH}_2\text{-COOH}$
3. C.
   $\text{CH}_3\text{-CH}_2\text{-CH}_2\text{-CH}_2\text{-CHO}$
4. D.
   $\text{CH}_3\text{-CH}_2\text{-CH}_2\text{-CH}_2\text{-CH}_3$

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1. A.
   $\mathrm{Mg^{2+}}$
2. B.
   $\mathrm{Ca^{2+}}$
3. C.
   $\mathrm{Fr^+}$
4. D.
   $\mathrm{Na^+}$

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1. A.
   16
2. B.
   20
3. C.
   40
4. D.
   60

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1. A.
   Hair conditioner
2. B.
   Liquid detergent
3. C.
   Household detergent
4. D.
   Toothpaste

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