MEDIUM
UPSC CAPF AC Paper - I
IMPORTANT
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In the heavy vehicles, diesel is used as fuel because :

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Important Questions on Chemistry

MEDIUM
UPSC CAPF AC Paper - I
IMPORTANT
To prevent from knocking the substance employed in the car engine is :
MEDIUM
UPSC CAPF AC Paper - I
IMPORTANT
The normal butane and isobutane are :
MEDIUM
UPSC CAPF AC Paper - I
IMPORTANT
Consider the following statements :
1. Gasoline is used as fuel in the motor vehicles is a mixture of petrol and alcohol.
2. Petroleum is also known as liquid gold.
3. The various components of the petroleum substance are separated through fractional distillation.
Which of the statements given above are correct?
MEDIUM
UPSC CAPF AC Paper - I
IMPORTANT
Consider the following statements :
1. Waxes of bees of honey contains myricyl palmitate.
2. Spermy waxes obtained from the sperms of whale and in it cetyl palmitate is found.
3. Paraffin waxes obtained from petroleum.
Which of the statements given above are correct?.
MEDIUM
UPSC CAPF AC Paper - I
IMPORTANT
Match List I with List II and select the correct answer using the codes given below the lists.
     List I                                      List II
    (Polymer)                               (Monomer)
A. Polythene                           1. Styrene
B. Polystyrene                        2. Ethylene
C. Teflon                                 3. Tetrafluoro ethylene
D. Polyvinyl chloride (PVC)    4. Vinyl chloride
MEDIUM
UPSC CAPF AC Paper - I
IMPORTANT
Consider the following statements :
1. The alcohol which is 100% pure is called absolute alcohol.
2. Ethyl alcohol which cannot be used for the beverage purpose is called denatured alcohol.
3. The mixture of purified spirit, benzene and petrol is called power alcohol.
Which of the statements given above are correct?
MEDIUM
UPSC CAPF AC Paper - I
IMPORTANT
Match List I with List-II and select the correct answer using the codes given below this list.
    List I                             List II
    (Organic compound)   (Functional group)
A. Alcohol                    1. CHO
B. Aldehyde                 2. OH
C. Carboxylic acid       3. >C = O
D. Ketone                    4. COOH
MEDIUM
UPSC CAPF AC Paper - I
IMPORTANT
Consider the following statements :
1. Methyl alcohol is also called wood spirit because in the early stage it was prepared by the destructive distillation of wood.
2. Ethyl alcohol is also called grain alcohol because it is obtained by the starch enriched substance.
3. Rectified spirit is also called commercial alcohol.
Which of the statements given above are correct?