Frank ICSE Solutions for Class 10 Chemistry Chapter 7-Metals and Non-metals

Frank ICSE Solutions for Class 10 Chemistry Chapter 7-Metals and Non-metals

PAGE NO : 151
Solution 1:

Solution 2:

Solution 3:
Metal which exist in liquid state is mercury.
Non-metal which exist in liquid state is bromine.
Concept Insight: Metals are usually solid while non-metals exist in all the three states.

Solution 4:
The most abundant metal in the earth’s crust is aluminium and the most abundant non-metal in the earth’s crust is oxygen.

Solution 5:

1. Metals.
2. Non-metals.
3. Platinum and Gold.
4. Potassium and Sodium.
5. Potassium, Sodium and Calcium.
6. Iron.
7. Potassium and Sodium.
8. Platinum.
9. Platinum and Gold.
10. Mercuric oxide (HgO) and Silver oxide (Ag₂O).
11. Potassium hydroxide (KOH) and Sodium hydroxide (NaOH).
12. Potassium carbonate (K₂CO₃) and Sodium carbonate (Na₂CO₃).
13. Potassium carbonate (K₂CO₃) and Sodium carbonate (Na₂CO₃).
14. Potassium nitrate (KNO₃) and Sodium nitrate (NaNO₃).
15. Mercuric nitrate (Hg(NO₃)2) and silver nitrate (AgNO₃)

Solution 6:

Solution 7:

1. Fe < Zn < Mg < Na.
2. Na = Al < Cu<Fe
3. Ca >Mg > Fe > Cu.

Solution 8: