Question # 1

Carbon monoxide is pollutant as it

Choose an answer

Inactivates nerves

Inhibits glycolysis

Combines with oxygen

Combines with hemoglobin

Toluene can be oxidized to benzoic acid by

Choose an answer

KMnO₄(alk)

K₂Cr₂O₇(acidic)

Both

None

Natural fertilizer provides phosphorus to plants in the form of P₂O₅

Choose an answer

1.2 kg

2.2 kg

3.2 kg

4 kg

Which of the following fluorides does not exist?

Choose an answer

NF₅

PF₅

AsF₅

SbF₅

The formula of nitre is

Choose an answer

KNO₃

NANO₂

NaCl

Na₂CO₃

Given below are some statements concerning formic acid, which of them is true?

Choose an answer

It is a weaker acid than acetic

it is a reducing agent

When its calcium salt is heated, it forms a ketone

It is an oxidizing agent

Which one of the halogen acid is a liquid?

Choose an answer

HF

HCl

HBr

Hl

Heating a mixture of sodium benzoate and soda lime gives

Choose an answer

Methane

Benzene

Sodium benzoate

Calcium benzoate

Atmosphere of big/metropolitan cities is polluted most by

Choose an answer

Automobile exhausts

Pesticide residue

Household waste

Radio-active fall out

The molal elevation constant is the ratio of the elevation in boiling point to

Choose an answer

Mojarity

Molality

Mole fraction of solute

Mole fraction of solvent

Ascorbic acid is chemical name of

Choose an answer

Vitamin D

Vitamin A

Vitamin C

Vitamin B6

Chile salt petre is

Choose an answer

NaNO₃

Na₂SO4

KNO₃

Na₂S₂O₃

Which is not a a colligative property?

Choose an answer

Osmotic pressure

Lowering of vapour pressure

Depression of freezing point

Elevation of boiling point

Which of the following reagent cannot be used for preparing alkyl chloride from alcohol?

Choose an answer

HCl + anhyd. ZnCl₂

NaCl

PCl₅

SOCl₂

Which of the following is monoatomic?

Choose an answer

Oxygen

Neon

Fluorine

Nitrogen.

How many kinds of space lattices are possible in a crystal?

Choose an answer

23

7

230

14

Which of the following has least mass?

Choose an answer

2 gram atom of nitrogen

3 x 10²³atoms of C

1 mole of S

7.0 g of Ag.

SO₂ and NO₂produce pollution by increasing

Choose an answer

Alkalinity

Acidity

Neutrality

Buffer action

Which of the following oxides is peroxide?

Choose an answer

Na₂O₂

MnO₂

BaO

SO₂

The rate at which a substance reacts depends on its

Choose an answer

Atomic weight

Equivalent weight

Molecular weight

Active mass

The rotation of two carbon atoms joined by double bond would happened only if

Choose an answer

P_ibond is broken

Sigma bond is broken

Both bonds are broken

None of above

More Classes

Other Links

NAT II Biological Science Chemistry 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