NCERT Class-9 Science Solutions: Chapter 3-Atoms and Molecules Part 2 (For CBSE, ICSE, IAS, NET, NRA 2022)

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Question 6:

Which of the following has maximum number of atoms?

Answer: D

Question 7:

Which of the following contains maximum number of molecules?

Answer: C

Question 8:

Mass of one atom of oxygen is

Answer: A

Mass of Molecules

Question 9:

of sucrose are dissolved in of water in a beaker. The numbers of oxygen atoms in the solution are

Answer: A