Question # 1

The degree of unsaturation of fat is measured by

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Iodine number

Oxidation number

Reduction number

Saponification value

The state of hybridization of carbon atom in Ethyne

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sp

sp²

dsp²

sp³

Which substance is used in photography

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AgCl

AgBr

AgI

Ag3PO4

Aromatic hydrocarbons are the derivatives of

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Normal series of paraffins

Alkene

Benzene

Cyclohexane

Which one of the following oxide is brown in colour.

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NO

NO2

N2O

N2O3

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 is not a calcarious material

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Clay

Limestone

Marble

Chalk

The word alkali is derived from which language

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Arabic

Greek

French

German

Which substance reacts with sodium nitroprusside.

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Ethanol

Acetaldehyde

Dimethyl ketone

Methanol

Which is a secondary pollutant

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Carbonic acid

CO₂

SO₂

CO

The benzene molecule contains.

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Three double bonds

Two double bonds

One double bonds

Delocalized sigma electron charge

Which one of the following comp9ounds on hydrolysis will not produce a carboxylic acid.

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Alkyl halide

Alkyl Nitrite

Addition product of Grignard reagent and CO2

Ester boiled with sodium hydroxide

What is %age of calcium phosphate in bone ash

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20

40

80

60

Majority of the elements of the periodic table are.

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Semi metals

Non metals

Metals

Noble metals

Which halogen will react spontaneously with Au(s) to produce Au³⁺

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Br₂

F₂

I₂

Cl₂

Acid rain fist of all was observed by

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Augus Smith

Robert Hook

Mosley

Watson

The addition of unsymmetrical reagent to an unsymmetrical alkene is in accordance with the rule

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Hund's rule

Markownikov's rule

Pauli's Exclusion Principle

Aufbau Principle

During the manufacturing process of cement the temperature of the decomposition zone goes up to

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600°C

800°C

1000°C

1200°C

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