Question # 1

Which one of the following Lipids does not have glycerol backbone.

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Cholesterol

Oil

glycogen

Vitamin D

When ethyl alcohol is heated, with NH3 in presence of ThO2 then

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O-H bond is broken

C-O bond is broken

Ethene is formed

Ethane is formed

Which one of the following oxide is brown in colour.

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NO

NO2

N2O

N2O3

Which of the following sulphates is not soluble in water.

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Sodium sulphate

Potassium sulphate

Zinc sulphate

Barium Sulphate

Which is more basic

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RbOH

NaOH

KOH

Li OH

Lowest oxidation state of nitrogen is present in.

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NH3

NO2

NO

HNO3

Group VI-B of transition elements contains

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Zn, Cd, Hg

Fe, Ru, Os

Cr, Mo, W

Mn, Te, Re

Sodalime is

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NaOH

Mixture of Na and Ca(OH)2

KOH

Mixture of CaO and NaOH

Which one of the following does not belong to alkaline earth metals

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Be

Ra

Ba

Rn

The concept of atomic number was introduced by

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Alrazi

Mendeleeve

Moseley

Dobereiner

Cannizzaro's reaction is given by

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Acetaldehyde

Formaldehyde

Propanal

Propanone

Which of the following enzymes brings about the hydrolysis of fats

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Urease

Maltase

Zymase

Lipase

Kaolin is a mineral of

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Carbon

Magnesium

Silicon

Aluminium

Which is used in the leather industry

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Borax

Boric acid

Boric oxide

Tetra Boric acid

The smog which have high contents of SO2 in it, is called.

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Reducing smog

Oxidizing smog

Natural smog

Neutral smog

Which one is not a meta directing group

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-COOH

-CHO

-COR

-NH₂

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 oxide of beryllium is

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Acidic

Basic

Amphoteric

None of these

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