Question # 1

Which of the following possesses the highest melting point?

Choose an answer

Chlorobenzene

o- Dichlorobenzene

m-Dichlorobenzene

p-Dichlorobenzene

The number of electrons in the M shell of the element with atomic number 24 is

Choose an answer

24

12

13

8

SO₂ and NO₂produce pollution by increasing

Choose an answer

Alkalinity

Acidity

Neutrality

Buffer action

Which of the following value ofΔHf represent that product is least stable?

Choose an answer

-94.0 kcal mol^-1

-231.6 kcal mol^-1

+21.4 kcal mol^-1

+64.8 kcal mol^-1

By using the fluted filter paper rate of filtration is

Choose an answer

Increased

Decreased

Filtration is constant

Having no effect

The kinetic theory of gases predicts that total kinetic energy of a gaseous assemble depends on

Choose an answer

Pressure of the gas

Temperature of the gas

Volume of the gas

Pressure, temperature, and volume of the gas.

Wt. of 112 ml of oxygen at NTP on liquification would be

Choose an answer

0.32 g

0.64 g

0.16 g

0.96 g

The carbon atoms in calcium carbide are held by

Choose an answer

Ionic bonds

Sigma bonds

2 covalent, one co-ordinate bond

2π and oneα bond

Most common reactions of benzene and its derivatives are

Choose an answer

Electrophilic addition reactions

Electrophilic subsitution reactions

Nucleoophilic addition reactions

Nucleophilic substitution reactions

The digestion of fats in the intestines is aided by

Choose an answer

Diffusion

Protection

Peptization

Emulsification

Which of the following statements is correct with respect to the property of elements with increase in atomic number in the carbon family (group 14)?

Choose an answer

Their metallic character decreases

The stability of +2 oxidation state increases

Their ionization energy increases

Their atomic size decreases

Which of the following is not present in RNA?

Choose an answer

Uracil

Thymine

Ribose

Phosphate

Variable valency is generally exhibited by

Choose an answer

Normal elements

Transition elements

Metallic elements

None of these.

Sulphure dioxide affects

Choose an answer

Cell wall

Plasmodesmata

All membrane systems

Nucleus

Gooch Crucible used to filter the solution of

Choose an answer

H₂SO₄

HCI

KMnO₄

Both B & C

Which is the most volatile compound?

Choose an answer

HI

HCl

HBr

HF

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