Question

WRITE DOWN TRUE OR FALSE FROM THE FOLLOWINGS :

1) Joule shows that K.E. of particles of matter appears as heat.

2) Relative density is measured in kg/m3

3) Electric door bell works on electromagnetisms

4) The frequency of is A.C. 50 Hz.

5) Decomposition of KClO3

takes place in presence of MnO2

.

6) Zn - 2e- -----> Zn2+ is reduction.

7) The chemical formula of ferous chloride is FeCl3

.

8) Silver artical is a best refractive materials.

9) The most electonegative element is Chlorine.

10) Ni2+ -----> Ni is oxidation.​

Answer 1

Answer:

Mark me brainlist please

Answer 2

Answer:

1245910 is true all ather ar false