Question # 1

Ionic solids are characterized by

Choose an answer

low melting points

good conductivity in solid state

high vapour pressure

solubility in polar solvents

Which gas diffuses more rapidly?

Choose an answer

O₂

SO₃

NH₃

H₂

Coal contains sulphur in it:

Choose an answer

1-3%

1-6%

1-9%

1-12%

When gaseous chemicals are transported y road or by rail they are classified as follows:
flammable non-flammable poisonous
which gas is poisonous:

Choose an answer

butane

non-flammable

hydrogen

sulphur dioxide

Propanoic acid is functional group isomer of

Choose an answer

Methyl acetate

Ethyl acetate

Propanal

Proparone

The attractive forces between molecules of a gas and their sizes can be ignored at

Choose an answer

high pressure

low temperature

low temperature and high pressure

low pressure and high temperature

The concentration of dissolved molecular oxygen in water which acts as the most important oxidizing agent ranges form:

Choose an answer

2ppm - 6ppm

2ppm - 4ppm

4ppm - 8ppm

2ppm - 3ppm

Acetic acid is obtained from:

Choose an answer

Red out

Vinegar

Butter

Milk

Slight oxidation of primary alcohol eives

Choose an answer

Ketone

Aldehyde

-Organic acid

An ester

Under which condition CO has the maximum molar volume.

Choose an answer

high T and P

Low T and High p

high T and low pressure

Low T and low P

pi-bond can be formed by sideways overlap of

Choose an answer

s-orbital

d-orbital

p-orbital

sp orbital

Sometimes a yellow turbidity appears while passing H₂S gas even in the absence of II group radicals. This is because

Choose an answer

Sulphur is present in the mixture as impurity

IV group radicals are precipitated as sulphides

Of the oxidation of H₂S gas by some acid radicals

III group radicals are precipitated as hydroxides

CuSO₄. 5H₂O is used to prepare

Choose an answer

Transition complex

Fehling's 'A' sol

Fehling's 'B' sol

Fehling's sol

Which of the following sulphates has the highest solubility in water

Choose an answer

BaSO₄

CaSO₄

MgSO₄

BeSO₄

Choose an answer

Oxalic acid oxidizes to:

Choose an answer

CO

CO₂

Oxalates

None of these

Which of the following alcohols cannot be produced by treatment of aldehydes or ketones with NaBh₄or LiAH₄?

Choose an answer

1-Propanol

2-Propanol

2-Methyl2-Proponal

Ethanol

In public urinals, we observe some nascent smell. This smell is due to

Choose an answer

Hydrolysis of urea of urine by urease of atmosphere into NH₃and CO₂

Formation of sulphonic acid by urea of urine

Reaction of CO₂of atmosphere with urea monoitrate in urine

Hydrogen present in air reacts with nitrogen forming NH₃

Bakelite is a product formed form

Choose an answer

Reaction of formaldehyde with phenol

Reaction of polyethylene with phenol

Reaction of polypropylene with acid

It is a natural product

Which of the following is an isomer of ethanol

Choose an answer

CH₃OCH₃

C₂H₅OC₂H₅

CH₃OH

C₂H₅OH

In an electrolytic cell, the electrons flow from :

Choose an answer

Cathode to anode or opposite

Cathode to anode

Anode to cathode

Random flow

The fourth period contains elements

Choose an answer

8

16

18

32

More Classes

Other Links

Chemistry General Science Test Medium Mode 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