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UPSC CAPF AC Paper - I
IMPORTANT
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The chloroform is kept in the coloured bottle or container because it directly reacts with air and light and forms a toxicated substance .

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Important Questions on Chemistry

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UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 10 - Chemistry>Exercise 12>Q 30
Consider the following statements
1. The carbon tetrachloride is also known as pyrrole.
2. The toxic gas lewisite used in the war is prepared by acetylene.
3. The gas utilised in the weldings of the metallic joints is acetylene.
Which of the statements given above are correct?
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UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 10 - Chemistry>Exercise 12>Q 31
The qualitative diagnostic of gasoline is detected by:
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UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 10 - Chemistry>Exercise 12>Q 32
The vaseline is extracted through the:
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UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 10 - Chemistry>Exercise 12>Q 33
Match List I with List-II and select the correct answer using the codes below the lists.
     List I                                                                                      List II
    (Example)                                                                              (Separation method)
A. Methanol and acetone can be separated by                    1. Fractional distillation
B. Aniline is separated from a mixture by                              2. Steam distillation
C. Naphathalene and benzoic acid can be separated by      3. Chromatography
D. Camphor and benzoic acid can be separated by              4. Chemical method
EASY
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 10 - Chemistry>Exercise 12>Q 34
Which of the following gases is used in cigarette lighters?
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UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 10 - Chemistry>Exercise 12>Q 35
In the heavy vehicles, diesel is used as fuel because :
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UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 10 - Chemistry>Exercise 12>Q 36
To prevent from knocking the substance employed in the car engine is :
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UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 10 - Chemistry>Exercise 12>Q 37
The normal butane and isobutane are :