Question

41. Define a compount. Give two point of evidence to show that soidum chloride is a compound

Answer 1

When two or more atoms of different elements combine together, then it is termed as compound.
Evidences that NaCl is a compound-
1. Compounds cannot be separated by simple physical means and to separate Sodium Chloride into Sodium and chloride we have to use chemical methods.
2. NaCl does not show properties of either Sodium(Na) or Chlorine (Cl) which is a characteristic property for defining a compound.

Answer 2

1. When we heat the NaCl at high temperature it gives out sodium and chlorine fumes 2. When Nacl is added to H2So4 its product is sodium sulphate and HCL