Rainbow 🌈 MCQ - Matter

 1. Water exists in

 A) one state
 B) two states
 C) three states
 D) None of these

ANSWER= (C) Three states
Explain:- Water exists in three states of matter as ice, as water and steam

 

2. Identify which one is not matter

 A) tree
 B) flower vase
 C) horse
 D) light

ANSWER= (D) light
Explain:- light is not a matter

 

3.Aluminium melts at 660 °C. At room temperature, aluminium is in the

 A) solid state
 B) liquid state
 C) vapour state
 D) can not say

ANSWER= (A) solid state
Explain:- Aluminium melts at 660 °C. At room temperature, aluminium is in the solid state.

 

4.Water and ice coexist at

 A) 100 degree
 B) 0 degree
 C) 50 degree
 D) 70 degree

ANSWER= (B) 0 degree
Explain:- Water and ice coexist at 0 degree

 

5.The force that holds the molecules of a substance together is called

 A) interatomic force
 B) molecular force
 C) Inter-molecularforce
 D) Attractive force

ANSWER= (C) Inter-molecular force
Explain:- The force that holds the molecules of a substance together is called inter molecular force

 

6.Intermolecular space is the greatest in

 A) solids
 B) liquids
 C) gases
 D) liquids state and gases

ANSWER= (C) gases
Explain:-Intermolecular space is the greatest in gases

 

7. Molecules are made up of

A) two atoms of same kind 
B) two atoms of different kinds 
C) two or more atoms of same kind 
D) two or more atoms of same or different kinds 

ANSWER= (D) two or more atoms of same or different kinds  
Explain:-Molecules are made up of two or more same or different kinds of atoms