Wired Faculty
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Match the following option:
| A. Gold | (i) Thermometers |
| B. Iron | (ii) Electric wire |
| C. Aluminium | (iii) Wrapping food |
| D. Carbon | (iv) Jewellery |
| E. Copper | (v) Machinery |
| F. Mercury | (vi) fuel |
A. Gold | (i) Jewellery |
B. Iron | (ii) Machinery |
C. Aluminium | (iii) Wrapping food |
D. Carbon | (iv) fuel |
E. Copper | (v) Electric wire |
F. Mercury | (vi) Thermometers |
Generally, non-metals react with acids.
Sodium is a very reactive metal.
Copper displaces zinc from zinc sulphate solution.
Carbon can be drawn into wires.
Some properties are listed in the following table. Distinguish between metals and non-metals on the basis of their properties.
|
Properties |
Metals |
Non-metals |
|
1. Appearance 2. Hardness 3. Malleability 4. Ductility 5. Heat Conduction 6. Conduction of Electricity |
Give reasons for the following :
Aluminium foils are used to wrap food items.
Give reasons for the following :
Immersion rods are made up of metallic substances.
Give reasons for the following :
Copper cannot displace zinc from its salt solution.
Give reasons for the following :
Sodium and Potassium are stored in kerosene?
Can you store acidic lemon pickles in an aluminium utensils? Explain.
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Mock Test Series
