objective questions set 1 MCQ Questions & Answers Detailed Explanation
MOST IMPORTANT general science mcq - 3 EXERCISES
The following question based on organic chemistry topic of general science mcq
(a) Gasoline, kerosene, diesel
(b) Kerosene, gasoline, diesel
(c) Diesel, gasoline, kerosene
(d) Gasoline, diesel, kerosene
The correct answers to the above question in:
Answer: (a)
Petroleum products are usually grouped into three categories:
- Light distillates (LPG, gasoline, naphtha),
- Middle distillates (kerosene, diesel),
- Heavy distillates and residuum (heavy fuel oil, lubricating oils, wax, asphalt).
Hence, the correct option would be Gasoline, kerosene, and diesel.
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Read more organic chemistry Based General Science Questions and Answers
Question : 1
The characteristic odour of garlic is due to
a) a sulphur compound
b) a fluorine compound
c) a chloro compound
d) acetic acid
Answer »Answer: (a)
Question : 2
Assertion (A) :
The main constituent of the liquefied petroleum gas is methane.
Reason (R) :
Methane can be used directly for burning in homes and factories where it can be supplied through pipelines.
a) Both A and R are true but R is not the correct explanation of A
b) A is true but R is false
c) Both A and R are true and R is the correct explanation of A
d) A is false but R is true
Answer »Answer: (d)
Question : 3
Which is a general formula of alkenes?
a) CnH2n–2
b) CnH2n
c) CnH2n+2
d) None of these
Answer »Answer: (c)
Question : 4
Match Column-I with Column-II :
Column-I | Column-II |
A. Polyethylene | P. wood glue |
B. Cellulose acetate | Q. Soft drinks |
C. Polyvinyl acetate | R. Descaling agents |
D. Dil Acetic acid | S. Photographic film |
a) A-S; B-Q; C-P; D-R
b) A-Q; B-S; C-R; D-P
c) A-Q; B-S; C-P; D-R
d) A-S; B-Q; C-R; D-P
Answer »Answer: (c)
Question : 5
Gas welding used for welding broken pieces of iron, we normally use a mixture of :
a) ethene and oxygen
b) ethyne and oxygen
c) ethane and oxygen
d) ethene and air
Answer »Answer: (b)
Question : 6
Match List-I with List-II :
List-I | List-II |
A. Hexame thylenediamine | 1. Bakelite |
B. Phenol | 2. Dacron |
C. Phthalic acid | 3. Glyptal |
D. Terephthalic acid | 4. Melamine |
5. Nylon |
a) A – 4, B – 3, C – 1, D – 2
b) A – 5, B – 1, C – 2, D – 3
c) A – 5, B – 1, C – 3, D – 2
d) A – 4, B – 3, C – 1, D – 2
Answer »Answer: (c)
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