Question

R
- Science paper...
Q
D. State whether true or false
1 Polymers are chain of monomers.
2. Non-metals are good conductor of heat.
3. Bromine is the only liquid non-metal.
4. Crop rotation helps in enriching soil with nitrogen.
5. Most plastics are biodegradable.
6. Process of making an object free from germs is known as steri
7. Hydrogen gas is evolved when a metal reacts with an acid.
8. Non-metals are ductile.
9. Cellulose is a natural polymer.
10. Fixing of air nitrogen is denitrification.​

Answer 1

Answer:

5) False : because plastic are not Bio degradable

plastic are such type of substance which take 100 years to decompose

9 ) true