Question # 1

A carbohydrate that cannot be acid hydrolysed is called.

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Monosaccharides

Di saccharides

Poly saccharides

Starch

Flavour of ethyl butyrate is

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Orange

Pine apple

Banana

Apricot

Which one of the following is co polymer

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PVC

Polyvinyl acetate

Nylon -6,6

Polyethene

Which one of the following compounds undergoes Cannizzaro's Reaction.

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Acetaldehyde

Benzaldehyde

Acetone

Propionaldehyde

Which of the following has highest boiling point

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Methanal

Ethanal

Propanal

2-hexanone

Acetic acid is manufactured by

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distillation

fermentation

ozonalysis

esterification

Plastics are a pollution problem because many plastics

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Are made from petroleum

Are very inflammable

Burn to produce toxic fumes

Decompose to produce toxic products

The reactivity order of alkyl halides for a particular alkyl group is

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Fluoride > Chloride > Bromide > iodide

Chloride > Bromide > Fluoride > iodide

Bromide > iodide > chloride > Fluoride

Iodide > Bromide > Chloride > Fluoride

Which compound is least reactive

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CH3-CH3

CH2=CH2

CH=CH

C6H6

Group VI-B of transition elements contains

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Zn, Cd, Hg

Fe, Ru, Os

Cr, Mo, W

Mn, Te, Re

Which substance is used for silvering of mirror.

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Acetaldehyde

Ethanol

Ethylene glycol

Acetone

In which compound, the oxidation state of boron in not +3

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H2BO3

Ca2B2O11

Na2B4O7

Mg3B2

When water is added to plaster of paris, it changes to a hard mass. Its volume also expands upto

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1%

2%

3%

5%

Which process is used to convert vegetable oil to vegetable ghee.

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Hydrolysis

Oxidation

Esterification

Hydrogenation

Which of the following gas will turn lime water milky

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Cl₂

NO₂

CO

CO₂

The type of hybridization in PCl3 is.

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dsp2

sp3

dsp3

d2sp3

The conversion of ethanol to ethene is an example of.

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Dehydration

Hydration

Hydrogenation

Fermentation

Which of the following noble gas is used for arc welding and cutting

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Helium

Argon

Xenon

Radon

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