Quiz-1: Some Basic Concepts of Chemistry

Quiz

Question 1:

What is the smallest part of matter that may have independent existence?

Molecule
Atom
Cation
Anion

Question 2:

Which of the following is the purest form of matter?

Element
Compound
Homogeneous Mixture
Heterogeneous mixture

Question 3 :

Cation is formed when?

Electrons are gained
Protons are gained
Electrons are lost
Protons are lost

Question 4:

Anion is formed when?

Electrons are gained
Protons are gained
Electrons are lost
Protons are lost

Question 5:

Atomic number of an element is equal to the number of ...

Protons
Neutrons
Nucleons
Electrons

Question 6:

Mass number of an element is equal to the number of ...

Neutons
Protons
Electrons
Nucleons

Question 7:

Isotopes contain same number of....

Protons
Neutrons
Neutrons and Electrons
Nucleons

Question 8:

Isobars contain same number of

Neutrons
Protons
Electrons
Nucleons

Question 9:

If an element has atomic number 26 and mass number 56, then number of neutrons in it is

56
26
30
82

Question 10:

Steel is an example of

Element
Compound
Heterogeneous mixture
Homogeneous mixture

Results:

Correct answers: