CBSE Class 7 Science The World of Metals and Non metals (Class 7 NCERT New) Quiz 6

1. Which type of elements are used in computer chips, lasers, and transistors?

A Metals B Nonmetals C Metalloids D Metals and Metalloids

2. When an object changes shape when struck by a hammer.

A luster B malleable C brittleness D ductile

3. Brittle

A Metal B Nonmetal

4. Good conductor of heat

A Metal B Nonmetal

5. H

A Metal B Nonmetal

6. Which of these is a metal?

A Gold B Plastic C Rubber D Wood

7. Which of these grouping of elements could have the characteristic of luster (shiny)?

A Metal B Nonmetal C metalloids D Both metals and metalloids

8. Which of the following is a good conductor of heat?

A Metal B Nonmetal C Metalloid

9. Which of the following is NOT a characteristic of most metals?

A Brittle B Good conductor C Ductile D Malleable

10. If a material can easily be drawn into the shape of a wire, it is

A Ductile B Magnetic C Malleable D Reactive