Question

by Write T for true and F for false :
[10]
1. Cathode rays are stream of electrons. T
2. A noble gas element is monoatomic as well as monovalent.
3. the mass of the electron is similar to that of proton.
4. Ozone is a triatomic gas.
5. Graphite cannot be converted into diamond.
6. Sulphur does not show allotropy.
7. Graphite is made up of layers of carbon rings that are fixed to each other. .
8. In a chemical reaction there is always release of heat.
9. JJ Thomson discovered proton.
10.Change of colour is a characteristics of a chemical reaction.​

Answer 1

Answer:

1) true

2)true

3)false

4)false

5)true

6)false

7)true

8)false

9)true

10)true