Chemistry-Structure of Atom (NTSE Stage-2 (National-Level) Scholastic-Aptitude & Language Comprehension): Questions 4 - 10 of 10

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 828 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 400.00 or

Question number: 4

» Chemistry » Structure of Atom

MCQ▾

Question

The head of match stick contains

Choices

Choice (4) Response

a.

white phosphorus only

b.

antimony chloride + red phosphorus

c.

antimony trisulphide + potassium chlorate

d.

antimony trisulphide + potassium chloride

Question number: 5

» Chemistry » Structure of Atom

MCQ▾

Question

Which one among the following is the main ingredient in cement?

Choices

Choice (4) Response

a.

Limestone

b.

Gypsum

c.

Clay

d.

Ash

Question number: 6

» Chemistry » Structure of Atom

MCQ▾

Question

a-particles are

Choices

Choice (4) Response

a.

single positive helium nucleus

b.

Neutral helium atom

c.

Double positive helium nucleus

d.

None of the above

Question number: 7

» Chemistry » Structure of Atom

MCQ▾

Question

The only element having no neutron is

Choices

Choice (4) Response

a.

Protium

b.

Deuterium

c.

Tritium

d.

None of the above

Question number: 8

» Chemistry » Structure of Atom

MCQ▾

Question

Isotopes differ in the number of

Choices

Choice (4) Response

a.

Electrons

b.

Neutrons

c.

protons

d.

Nucleons

Question number: 9

» Chemistry » Structure of Atom

MCQ▾

Question

A divalent cation has 10 electrons and 12 neutrons. The atomic number and mass number of the elements are

Choices

Choice (4) Response

a.

12, 24

b.

10, 22

c.

11, 25

d.

8, 12

Question number: 10

» Chemistry » Structure of Atom

MCQ▾

Question

The size of colloidal particles in a colloid range

Choices

Choice (4) Response

a.

108to107cmb.107to104cm

b.

105to103cmd.107to106cm

c.

None of the above

d.

Question does not provide sufficient data or is vague

f Page
Sign In