Question # 1

Carboxylic acid having more than one carboxyl group are called:

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Mono-carboxylic acid

Di-carboxylic acid

Tri-carboxylic acid

Poly carboxylic acid

Lanthanides an actinides belong to following group of periodic table:

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IB

VIIIB

IIB

IIIB

The reaction between fat and NaOH is called

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Esterification

Hydrogenolysis

Fermentation

Sponification

Newspaper can be recycled again and again by how many times?

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2

3

4

5

Which of the following has isomorphous structure

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NaF

S

Sn

N

Octet rule is not allowed in the formation of

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NF3

B.CF4

CCI4

PCI5

Which gas molecules escape through a hole of molecular dimension this phenomenon is called

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diffusion

mixing

effusion

flowing of gas

Which of the following liquid has higher boiling point?

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HCl

HBr

H₂O

Br₂

The reason of acid rain is:

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release of CO in excess by in complete combustion

excess release of NO₂ and SO₂ from burning of fossil fuels

Formation of NH₃ in excess form industry and coal gas

Formation of excess CO₂ due to combustion and respiration

Glucose forms a polymer which is stored in liver the name of this polymer is:

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glycogen

starch

cellulose

arnylose

Macromolecules are classified:

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inorganic

organic

biopolymer

synthetic

Which of the following has highest dipole moment?

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NH₃

PH₃

AsH₃

SbH₃

The rate of reaction between two specific time intervals is called

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Instantaneous rate

Average rate

Specific rate

Ordinary rate

The rate equation for a reaction is Rate =k[A]. what are unit of K ?

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Mole-1 dm³ S^-1

Mole dm³ S^-1

Moledm³

S^-1

Mustard gas is a :

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Gas

Liquid

Solid

High boiling point

The three alternate single and double bonds in the benzene ring are called

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Conjugate bonds

Resonating bonds

Both A and B

None of above

The characteristic reactions of alkanes are

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Addition reactions

Substitution reactions

Condensation reactions

Polymerization reactions

The alkali metal which is liquid at 15°C is

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K

Cs

Na

None

The correct set of quantum numbers (n,l and m) respectively of the unpaired electron of chlorine atom is

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2,1,0

2,1,1

3,1,1

3,2,1

The percentage of methane in natural gas is

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50%

60%

85%

90%

Objects of the size of an atom can be observed in

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An electron microscope

An x-ray spectrum

Atomic absorption spectrum

A visible spectrum

Allyl chloride on dehydrochlorination gives

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Propadiene

Propylene

Allyl alcohol

Acetone

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