Senior One Quiz No.3 [nano Technology] Model B

1. A scale for measuring the very small particles

Nano scale

Volume scale

Size scale

None

2. Its part of billion part is ..............................

Micrometer

Nano

Nano scale

None

3. Nano scale ranges between ............m to .............m

10-9 to 10-7

10-8 to 10-7

10-5 to 10-7

None

4. The greatest number from the following is .................

10-9

10-6

10-3

10-2

5. The greatest number of the following is .............

10-9

10-6

10-3

10-2

6. The ratio between surface area and volume increase lead to ......................

Increase rate of chemical reaction

Decrease rate of chemical reaction

Rate of chemical reaction constant

None

7. In macro scale , gold has ..............color

Yellow

Red

Blue

B/c

8. Nanometer = .................. cm

10-9

10-8

10-7

None