Question

1. Which gas is produced when lead nitrate is heated ?
A. N₂ B. CO2 C. NO2
D. HCI

2. What is the molecular formula of benzene?
A. CGH12
B. CH 14 C. C6H6
D. CH10

3. Which component of the food is digested partially in the stomach ?
A. Starch B. Lipid
C. Protein D. Carbohydrate

4. Which metal is used to make solar cell ?
A. Zinc B. Nickel C. Silicon D. Uranium

5. The focal length of a convex lens is 25 cm, then what is its power?
C. + 4.0 D D. + 10.0 D

6. The light of which colour has maximum velocity in the dispersion of white light by
a glass prism?
A. Red
B. Violet
C. Blue
D. Green
​

Answer 1

Answer:

Please mark me as the Brainliest

Explanation:

1. C.

NO2

2. C.

C6H6

3. C.

Protein

4. C.

Silicon

5. C.

+ 4.0 D

6. B.

Violet