Question

J. 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. C6H12 B. C6H14 C. C6H6
D. C6H10
3. Which component of the food is digested partially in
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 wha
A. + 2.5 D B. + 5.0 D C. + 4.0 D D. + 10.0D
The
1:1
ulonity in
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Answer 1

Answer:

Answers- A) N2 B. CO2 C. NO2 D.HCI

Answer 2

Answer:

4. silicon 1. NOC

Explanation:

sorry la now only 2 answer