10. Which of the following set of properties talks about a compound?
1. It is made up of one or more atoms.
II. It is joined through chemical process. III. It is composed of one or more substance.
IV. They are mixtures of one or more different substances.
A. I and II only
B. II and III only
C. III and IV only
D. All of the above.
11. Which of the following set of properties talks about an element?
I. They are made up of one or more atoms with same properties.
II. They cannot be separated through any process.
III. They are composed of one or more substances.
IV. They are mixtures of one or more elements.
A. I and II only
B. II and III only
C. III and IV only
D. All of the above.​