Our app is now available on Google Play. Get it on Google Play

MCQ Questions for class 9 Chemistry Atoms and molecules

Are you looking for interactive MCQ Questions for class 9 Chemistry Atoms and molecules then you are at the right place.

Below is the Quiz for class 9 Chemistry chapter Atoms and molecules. You can Tap on the Start Quiz to begin playing the MCQs.

Your Result

Go Home

Time: 00min : 00s

Total Questions: 10

Note: Please read all the MCQs given below before taking the test.

Start Your MCQ Quiz

Tap on the "Start Quiz" below to start your Practice Test.

Questions and Options Are Given Below

Learn these answers and practice them with the help of button given above.

Q1. What is atom?

  1. The smallest particle of matter
  2. The largest particle of matter
  3. The particle that doesn't exists
  4. All of the above
Answer: The smallest particle of matter

Q2. What is molecule?

  1. The single particle of a matter
  2. The combination of atoms is called molecule
  3. Both A and B
  4. None of the above
Answer: The combination of atoms is called molecule

Q3. What is law of constant proportion?

  1. The law by which molecules get separated from matter
  2. The smallest particle of matter
  3. The elements are always present is a fixed proportion
  4. All of the above
Answer: The elements are always present is a fixed proportion

Q4. Explain Dalton's atomic theory

  1. All matters are made of tiny particles called atoms
  2. Atoms of given element are identical in their masses and chemical properties
  3. Atoms are indivisible particles
  4. All of the above
Answer: All of the above

Q5. What is an ion?

  1. The charged particles of an atom
  2. The uncharged particles of a molecule
  3. Both A and B
  4. None of the above
Answer: The charged particles of an atom

Q6. What is molecular mass?

  1. The mass of an atom
  2. The sum of atomic masses of all the atoms
  3. Both A and B
  4. None of the above
Answer: The sum of atomic masses of all the atoms