Question

Differentiate between the following
2. Chemical p
Answer the following questions in long-
litmus paper on the product formed?
(a) water?
compounds
4. Give any three uses of non-metals,
Why phosphorous is stored in water?
What happens when potassium reacts with:
(b) dilute sulphuric acid?
From the characteristics given below, select the five which ar
Ductile, conduct electricity, brittle, acidic oxides, basic oxid
malleable, low boiling point, high melting point
What is displacement reaction? Give one example of
1. Physical properties of metals and non-metals
With the help of activity, describe the action of oxygen on magn​

Answer 1

Answer:

Mercury is obtained by roasting cinnabar. HgO formed is thermally unstable and gives mercury.

metals-non-metals-chapter-wise-important-questions-class-10-science-2

Mercury can be purified by distillation