NCERT Class-9 Science Solutions: Chapter 3-Atoms And Molecules Part 2

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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

Image of Mass of molecules

Mass of Molecules

Image of 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