Question # 1

Primary, Secondary and tertiary alcohols can be distinguish by.

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Iodoform test

Lucas test

Fehling solution

Ammoniacal silver nitrates

Which of the following acids possess oxidizing and reducing properties.

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HCl

HNO2

HNO3

H2SO4

An element that has a high ionization energy and tends to be chemically inactive would most likely to be

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An alkali metal

A transition element

A noble gas

A halogen

Which substance is formed by the catalytic oxidation of methane at 100 ^oC, 200 atmospheric pressure and copper catalyst

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Methanol

Methanal

Methanoic acid

All of these

The aqueous solution of which substances is green in colour

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K2CrO4

K2CrO7

KMnO4

K2MnO4

The nitrogen present in some fertilizers helps plants

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to fight against diseases

to produce fat

to undergo photosynthesis

to produce protien

Which raw material is used for manufacture eof HNO3 by Birkland eyed process

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NH3 and CO2

Air

Air and gypsum

Lime stone and urea

The oligosaccharides contain number of hexose unit.

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2 to 7

2 to 8

2 to 9

2 to 100

Corundum is

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Al2O3

Na2AlF6

Quartz

Calcium

An aldehyde is reduced to alkane with hydrazine is the presence of

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KOH

NaOH

CaO and NaOH

Ca(OH)2

The halogens ae best described by which of the following statements.

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Their outer shell is complete

Most of them are colourless

They all are oxidizing agent

They all are gases at room temperature

Which of the following is an ester.

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Soap

Starch

PVC

Dacron

The percentage of carbon is different types of iron products is in the order of.

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Cast iron > wrought iron > Steel

Wrought iron >Steel >Cast iron

Cast iron > Steel > Wrought iron

Chlorine heptoxide reacts with water to form

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Hypochlorous acid

Chloric acid

Perchloric acid

Chlorine and oxygen

Which can produce ketone

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Sec alcohol

Calcium acetate

Propyne

All of these

What are the number of the electrons in valence shell of P in PCl3

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4

6

8

10

Which gas is cause of Asthma

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O₃

O₂

SO₂

CO₂

Which ether is symmetrical in nature.

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Methyl ethyl ether

Diphenyl ether

Methyl n propyl other

Methoxy benzene

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