Question # 1

Gooch Crucible used to filter the solution of

Choose an answer

H₂SO₄

HCI

KMnO₄

Both B & C

Which of the following with aqueous KOH will give acetaldehyde?

Choose an answer

1, 2-Dichloroethane

1, 1-Dichloroethane

Chloroacetic acid

Ethyl chloride

The total number of protons in 10 g of calcium carbonate is (N₀= 6.023 x 10²³)

Choose an answer

1.5057 x 10²⁴

2.0478 x 10²⁴

3.0115 x 10²⁴

4.0956 x 10²⁴

Hybridization explain the ----------- of orbitals

Choose an answer

Type of Bonding

Shapes

Shape and Type of bonding

None of above

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

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

The most reactive compound for electrophilic nitration will be

Choose an answer

Benzyl chloride

Benzoic acid

Nitrobenzene

Chlorobenzene

Magnesium keeps on burning in

Choose an answer

N₂

CO₂

N₂O

N₂as well as CO₂

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.

White lead is

Choose an answer

Basic lead acetate

Acidic lead carbonate

Basic lead carbonate

Basic lead hydroxide

Which of the following nitrogen fertilizer contain more nitrogen

Choose an answer

NaNO₃

KNO₃

NH₄NO₃

Urea

Which metal is protected by a layer of its own oxide?

Choose an answer

Al

Ag

Au

Fe

The formula to calcium cyanamide is

Choose an answer

Ca(CN)₂

CaC_2N

CaNCN

CaCHNH₂

In cold countries ethylene glycol is added to water in radiators of cars during winter. It results in

Choose an answer

Lowering in b.pt.

Reducing viscity

Reducing specific heat

Lowering in freezing pt.

Octane number is zero for

Choose an answer

n-Heptane

Isooctane

n-Hexane

Isoheptane

The digestion of fats in the intestines is aided by

Choose an answer

Diffusion

Protection

Peptization

Emulsification

More Classes

Other Links

NAT II Physical 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