Differentiate between the malleability and ductility.
Important Questions on Metals and Non-metals
What are alloys? Why do they find immense application as compared to metals?
Give a reason: Aluminium is used for making electrical wires.
Give reason: Cooking utensils are made of metals but their handles are made of wood or plastic.
Compare the chemical properties of metals and non-metals.
The table given below shows the reactions of metals with solutions of metal salts
On the basis of the observation, arrange metals J, K and L in order of increasing reactivity and give the reason for your answer.
| Metal J | Metal K | Metal L | |
| J sulphate | X | No reaction | No reaction |
| K sulphate | Displaces K | X | Displaces K |
| L sulphate | Displaces L | No reaction | X |
Take a few iron nails and store some of them in an airtight container having silica gel. Leave the rest of the iron nails in a test tube and place them outside in the rainy weather. Observe the iron nails after a week.
a. What will happen to the nails placed in the airtight container and in the test tube?
Take a few iron nails and store some of them in an airtight container having silica gel. Leave the rest of the iron nails in a test tube and place them outside in the rainy weather. Observe the iron nails after a week.
b. Which way would you prefer to keep iron nails?
Discuss four uses of metals and non-metals.
