Question # 1

Ethanol on dehydration can be changed to

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Ethene

Diethyl ether

Both 'a' and 'b'

None of these

Which one is fatty acid

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Benzoic acid

Malonic acid

Phtalic acid

Palmitic acid

The number of acidic hydrogen present in 1- Propyne is

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1

2

3

4

The state of hybridization of carbon atom in Ethyne

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sp

sp²

dsp²

sp³

The brown gas formed, when metal reduce HNO₃

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NO

NO₂

N₂O₃

N₂O₅

Boiling point range of petroleum ether.

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5- 20 ^oC

10- 30^oC

20- 60^oC

30- 90^oC

Kerosene oil is a mixture of hydrocarbon having carbon

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11 to 13

10 to 12

11 to 12

8 to 9

Which one is alcohol in the following

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CH₃.CH₂.OH

CH₃.O.CH₃

CH₃COOH

CH₃.CH₂.Br

Paraldehyde is polymer of.

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HCHO

CH3CHO

CH3COCH3

CH3CH2-CH2OH

Which hydroxide decomposes on heating.

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LiOH

NaOH

KOH

CaOH

Electron affinity is measure of energy

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Required to remover the electron

Released by adding an electron

Required to excite an electron

Released by removing an electron

Which substance is used in photography

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AgCl

AgBr

AgI

Ag3PO4

The reaction between fat and NaOH is

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Estrification

Hydrogenolysis

Fermentation

Saponification

Silver mirror test is given by

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Ethers

Ketones

Acids

Aldehydes

Which one of the following has highest melting and boiling points.

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HF

HBr

HCl

HI

The nature of lysine amino acid is

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Acidic

Basic

Amphoteric

Natural

The most metallic elements from the following is

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Arsenic

Oxygen

Antimony

Bismuth

In which compound, oxidation state of sulphur is +6

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H2S

H2SO4

H2SO3

SO3

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