Question

5. Draw the electronic dot structure of carbon (2m)
6. Which cell organelle is known as power house of the cell? (3m)
7. Write down the chemical formula of ammonium carbonate, magnesium
hydroxide and calcium sulphate with crisscross method. (3m)
8. Draw a well labeled diagram of plant cell or animal cell. (3m)
9. Define isotopes, atomic mass and isobars with examples. (3m)
10. A bullet of 20gm is shot from a gun of 2kg at a velocity of 100m/s find
out the recoil velocity of the gun. (5m)
11. Explain with an activity that solution of compounds conduct
electricity.(5m)​

Answer 1

Explanation:

2nd mitochondria is the power house of cell