Question # 1

According to Bronsted and Lowry concept an acid is a substance that can donate.

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Proton

Electron pair

Neutron

Electron

Which are called paraffines?

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Alkyle

Alkynes

Alkenes

Alkanes

A disease is caused by excess of bile pigments in the blood is.

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Typhoid

Jaundice

Cholera

Dysentery

99% of atmosphere consists of .

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N₂and H₂

N₂and O₂

N₂and CO₂

O₂and CO₂

The formula of ozone is.

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O₂

O₃

O

CO

K_c is always equal to

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Rf/Rr

Kf /Kt

Kf/Kr

Rr/Rt

The general formula of alkane is

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C_nH_2n+2

C_nH_2n-2

C_nH_2n

C_nH_2n+1

Infrared radiations emitted by the Earth are absorbed by.

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CO₂ and H₂O

N₂ and O₂

CO₂and N₂

O₂and CO₂

A salt is not composed of

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A metallic cation

Non -metallic anion

an anion of a base

An anion of an acid

Fructose contain group.

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Ketone

Aldehyde

Alcoholic

Alkyl

Specific heat capacity of water is.

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4.2 KJg^-1 K^-1

4.2 Jg^-1K^-1

2.4 KJg^-1K^-1

2.4 Jg^-1K^-1

Vital force theory was rejected by.

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Jabir Bin Hayan

Drawin

Wohler

Berzellius

The energy provided by carbohydrates in per gram.

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17 KJ

21 KJ

35 KJ

10 KJ

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