Question # 1

The product of addition polymerization reaction is

Choose an answer

PVC

Nylon

Terylene

Polyamide

Which colour is imparted by sodium

Choose an answer

Yellow

Violet

Red

Crimson

The liquid obtained after passing the mixture through filter paper is termed as:

Choose an answer

Extract

Residue

Filtrate

Sample

When methane reacts with Cl₂in the presence of diffused light the products obtained are

Choose an answer

Chloroform only

Carbon tetrachloride only

Chloromethane and dichloromethane

Mixture of a, b, c

Hybridization in alkanes is:

Choose an answer

sp

sp²

sp³

dsp²

The diameter of atoms is of the order:

Choose an answer

2* 10^-5m

2* 10^-10m

2* 10^-2m

2* 10^-3m

Na reacts with phenol to produce

Choose an answer

H₂gas

Benzene

CO₂gas

CO gas

When alcohol reacts with concentreated H₂SO₄intermediate compound formed as

Choose an answer

carbonium ion

alkoxy ion

alkyl hydrogen sulphate

non of these

Which one does not declourized KMnO₄

Choose an answer

Alkenes

Alkynes

Bezene

All above

The other name for distribution law is

Choose an answer

Dispersive law

Partition law

Avogadro's law

separation law

Monocarboxylic acids exist as dimer because of

Choose an answer

Dipole-dipole attraction

Hydrogen bonding

Van der Waals forces

Conhesive forces

The process of electrical coating of one metal on another to protect, decorate or to have greater resistance to corrosion is called

Choose an answer

Electroplating

Electrolysis

Conduction

Induction

The general formula of saturated alicyclic hydrocarbons is:

Choose an answer

C_nH_n

C_nH_2n

C_nH_2n+2

C_nH_2n-1

When ethylene glycol is heated with acidified potassium permanganate, the main organic compound obtained is

Choose an answer

Oxalic acid

Glyoxal

Formic acid

Ethanol

The presence of a double bond in a compound is the sign of

Choose an answer

Saturation

Unsaturation

Substitution

None of above

The term ebullioscopy is used for

Choose an answer

Depression of freezing point

Elevation in boiling point

Lower of vapour pressure

None of the above

A molecular ion is formed by

Choose an answer

Passing a high energy electron beam through gaseous molecule

Dissolving a salt i dilute acid

Passing electric current through molten salt

Passing electricity through aqueous solutions

Macro-nutrients are required in quantities ranging from

Choose an answer

5 kg - 200 kg

2 kg - 100 kg

1 kg - 50 kg

10 kg - 100 kg

If we remove one hydrogen atom from an alkane we obtain a group called

Choose an answer

Acetyle group

Formyle group

Alkyle group

Ketyle group

Drained sewage has B.O.D

Choose an answer

More than that of water

Less than that of water

Equal to that of water

None of the above

Polysaccharides are also called

Choose an answer

Crystals

Sugars

Liquids

None sugars

What is the name of the comlex [Ni(CO)₄]

Choose an answer

Tetracarbonylnickel (o)

Tetracabonylnickel

Tetracabonylnickel (II)

Tetracabonylnickel (IV)

Monosaccharides belong to the group

Choose an answer

Lipids

Fats

Proteins

Carbohydrates

Grignard's reagent on treatment with dry CO₂and HCI yields

Choose an answer

Ester

Alcohol

Carboxylic acid

Aldehyde

An alkane is produced when an alkyle halide reacts with zinc in the presence of

Choose an answer

HCl

CH₃COOH

Both a & b

None

The carbon atom of a carbonyl group is

Choose an answer

Sp hybridized

Sp²hybridized

Sp³hybridized

None of these

Among the lanthandes the one obtained by synthetic method is

Choose an answer

Lu

Pm

Pr

Gd

Solubility of a substance in water decreases with rise in temperature except

Choose an answer

CaCI₂. 6H₂O

Pb(NO₃)₂

K₂Cr₂O₇

Ce₂(SO₄)₃

The process of osmosis was first discovered by

Choose an answer

Nollet

Pfeffer

Traube

Dutrochet

Grignad reagent is reactive due to

Choose an answer

The presence of halogen atom

The presence of Mg atom

The polarity of C - Mg bond

None of above

Which of the following compound is industrially prepared by the electrolysis of solution of NaCl

Choose an answer

Na₂CO₃

NaHCO3

NaOH

NaOCl

More Classes

Other Links

ECAT Chemistry Online Test MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer