Question # 1

Deposition of cholesterol in arteries is responsible for:

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Heart attach

diabetes

hepatitis

cancer

BOD is the oxygen demand with in day(s):

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Four

Two

Three

Five

Glycogen on hydrolysis give

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Glucose

Lactose

Fructose

None

Which of the following metal cannot evolve hydrogen from the acetic acid

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Sodium

Potassium

Magnesium

Copper

Ionic solids with defects,contain

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Equal number of cation and anion vacancies

Interstitial anions and anion vacanies

Cation vacancies only

Cation vacancies and interstitial cations

Carboxylic acids reacts with sodium carbonate, & gas evolved in this reaction

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CO2

H2

CO

Both a &b

Tertiary aleohols producewith acidified KMno,

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Ketones

Aldehydes

Malonic acid

Alkene

Condensation occurs between amino acids with the elimination of

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H₂O

H₂

O₂

NH₃

Which one of the following does not act as pollutant

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Carbon monoxide

Sulphur dioxide

Hydrocarbons

Carbon dioxide

The compound that has zero dipole moment is

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HCl

H₂S

NH₃

CH₄

Which is the following would have most like an ideal gas at room temperature?

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carbon dioxide

helium

hydrogen

nitrogen

The number of spherical nodes in 3p orbitals are

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One

Three

Non

Two

Which of the following does not give iodoform test?

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Ethanol

Ethanal

Acetophenone

Bezophenone

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0.02

0.2

50

25

The order of dehydration of alcohol

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10> 20> 30

10> 30> 20

20> 30> 10

30> 20> 10

A compound contains one atom of oxygen and % of O 34.78, then molecular mass of compound is

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46

78

110

180

The diameter of atoms is of the order:

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2* 10^-5m

2* 10^-10m

2* 10^-2m

2* 10^-3m

When aluminium electrode is coupled with copper electrode in a galvanic cell :

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Reduction takes place at aluminium electrode.

Oxidation takes place at copper electrode.

Reduction takes place at copper electrode.

Both (a) and (c)

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Proton donar

Dehydrating agent

Catalyst

Electrophile

The total number of transition elements is:

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10

14

40

50

Which of these polymers is an addition polymer?

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Nylon-6,6

Polystrene

Terylene

Epoxy resin

In the extraction of iron, slag is produced which is

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CO

FeSiO₃

MgSiO₃

CaSiO₃

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