Chemistry - Questions and Answers, General Study (GK)

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Chemistry - Questions and AnswersPage 31

301.

IUPAC name of CH₃CHO is

(a)Acetaldehyde

(b)Methyl aldehyde

(c)Formalin

(d)Ethanal

Comment

Answer is: DNA

302.

The excess use of ethyl alcohol damage he human organ is

(a)Kidney

(b)Liver

(c)Heart

(d)Intestine

Comment

Answer is: BNA

303.

The Teflon plastic is prepared by the polymerisation of

(a)Ethylene

(b)Acetylene

(c)Benzene

(d)Tetra fluoro ethylene

Comment

Answer is: BNA

304.

The qualitative diagnostic of gasoline is detected by

(a)Iodine value

(b)Cetane number

(c)Octane number

(d)Mass density

Comment

Answer is: CNA

305.

The vaseline is extracted through the

(a)Plant gum

(b)Coaltar

(c)Pern wax

(d)Petroleum

Comment

Answer is: DNA

306.

The gas releases through the septic tank is

(a)Methane

(b)Ethane

(c)Hydrogen

(d)Nitrogen

Comment

Answer is: ANA

307.

In the heavy vehicles, diesel is used as fuel because

(a)It has more mileage and safe for the engine

(b)It is less costly and useful for the fuel saving point of view

(c)It has high power and economic saving

(d)It is cheaper with comparison to the petrol

Comment

Answer is: CNA

308.

To prevent from knocking the substance employed in the Cr engine is

(a)Lead tetraethyl

(b)Ethyl alcohol

(c)Butane

(d)White petrol

Comment

Answer is: ANA

309.

The normal butane and isobutene are

(a)Optional isomer

(b)Chain isomer

(c)Positional isomer

(d)Functional isomer

Comment

Answer is: BNA

310.

The example of the fermentation is

(a)Formation of wine through the juice of sugarcane

(b)Appearance of the sourness the moist flour

(c)Appearance of the sourness in the milk

(d)All of the above

Comment

Answer is: DNA

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Chemistry - Questions and AnswersPage 31

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