On Line Test For Class 7 Chemistry

11 Questions | By Sandhya.khare | Last updated: Mar 22, 2022 | Total Attempts: 141

Questions

Settings

Create your own Quiz

Class 7 Chemistry

Questions and Answers

1.

Which property of matter you can show by this experiment?
2.

What is the other name of condensation?
- A.
  
  Sublimation
- B.
  
  Deposition
- C.
  
  Liquefaction
- D.
  
  Crystallization
3.

Which type of change is sublimation of ammonium chloride?
- A.
  
  Physical change
- B.
  
  Chemical change
- C.
  
  Both 1 and 2
- D.
  
  None of these
4.

The gas release when we heat lead dioxide
- A.
  
  Nitrogen
- B.
  
  Oxygen
- C.
  
  Carbon-dioxide
- D.
  
  Chlorine
5.

The state of matter which can be compressed easily
- A.
  
  Solid
- B.
  
  Liquid
- C.
  
  Gas
- D.
  
  None of these
6.

Tearing of paper is a
- A.
  
  Physical and reversible change
- B.
  
  Physical and irreversible change
- C.
  
  Physical and desirable change
- D.
  
  Physical and undesirable change
7.

Ammonium Chloride , a sublime solid undergoes[Blank] on heating.
8.

During a chemical change the [Blank] of the original substance is not altered.
9.

Separation of naphthalene from a mixture of naphthalene and sodium chloride is a[Blank]
10.

The aroma of boiling milk can be felt from outside due to[Blank]
11.

The density of [Blank] as a liquid is more than iron.

Related Topics

More Chemistry Quizzes

Polyatomic Ions Quiz

A polyatomic ion is seen as a molecule that has been ionized by gaining or losing electrons. In a polyatomic ion, the group of covalently bonded atoms carries a net charge because the total number of electrons in the molecule is...

Questions: 10 | Attempts: 64967 | Last updated: Mar 22, 2022

Sample Question
What is the name of this chemical? NH4+

Ammonium

Nitrite

Nitrate

Hydroxide

Acetate

Physical And Chemical Changes Quiz

Is chemistry your favorite subject from school? Take up this physical and chemical changes quiz to know how well you understand the difference. In this quiz, we’ll be looking at the two scientific topics of physics and...

Questions: 10 | Attempts: 58055 | Last updated: Mar 22, 2022

Sample Question
Classify the following as a physical or chemical change: Tearing a piece of paper into 100 pieces.

Physical change

Chemical change

Chemistry Test Questions

Are you a Science genius? Ever wondered how well you perform in a Chemistry 101 quiz? Science is a wonderful subject to learn about, whether it’s for career purposes or you're merely curious about the ins and outs...

Questions: 13 | Attempts: 48670 | Last updated: Mar 22, 2022