EASY
Earn 100

Which one of the following is a non-metal?

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Important Questions on Sorting Materials into Groups

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Science>Chemistry>Sorting Materials into Groups>Physical Properties of Non-metals
Give example of a non-metal which is good conductor of electricity.
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Science>Chemistry>Sorting Materials into Groups>Physical Properties of Non-metals
Which of the following is a non- metal and also a solid?
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Science>Chemistry>Sorting Materials into Groups>Physical Properties of Non-metals
Name a non-metal which exists in the liquid state. 
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Science>Chemistry>Sorting Materials into Groups>Physical Properties of Non-metals
Give an example of a non-metal which has a lustre.
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Science>Chemistry>Sorting Materials into Groups>Physical Properties of Non-metals
Generally, non-metals are non-conductors of electricity. The non-metal which is a good conductor of electricity, is:
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Science>Chemistry>Sorting Materials into Groups>Physical Properties of Non-metals
The elements having properties lying between the properties of metals and nonmetals are called metalloids.
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Science>Chemistry>Sorting Materials into Groups>Physical Properties of Non-metals
Why do carbon compounds not conduct electricity?
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Science>Chemistry>Sorting Materials into Groups>Physical Properties of Non-metals
How are metalloids different from metals? Name a metalloid.
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Science>Chemistry>Sorting Materials into Groups>Physical Properties of Non-metals
What do you understand by the term brittle?
HARD
Science>Chemistry>Sorting Materials into Groups>Physical Properties of Non-metals
State three reasons for counting sulphur amongst non-metals.
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Science>Chemistry>Sorting Materials into Groups>Physical Properties of Non-metals
Which of the following non-metal is a good conductor of electricity?
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Science>Chemistry>Sorting Materials into Groups>Physical Properties of Non-metals
Which allotropic form of carbon is used for making electrodes? Assign reason.
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Science>Chemistry>Sorting Materials into Groups>Physical Properties of Non-metals
Define non-metals. Give two examples of non-metals along with their uses. 
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Science>Chemistry>Sorting Materials into Groups>Physical Properties of Non-metals
Graphite is a nonmetal, can it conduct electricity?
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Science>Chemistry>Sorting Materials into Groups>Physical Properties of Non-metals
Are non-metals sonorous in nature?
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Science>Chemistry>Sorting Materials into Groups>Physical Properties of Non-metals
When we start heating a mixture of sulphur powder and iron filings, we would observe that
EASY
Science>Chemistry>Sorting Materials into Groups>Physical Properties of Non-metals
Give reason for each of the following: Germanium is called a metalloid.
HARD
Science>Chemistry>Sorting Materials into Groups>Physical Properties of Non-metals

SOLVE THE PUZZLE

CLUES

Across:
4. Another word for type of shininess.
7. Mixture of two or more different metals.
8. This metal is not malleable.
12. Property which allows material to bend when hit with a hammer.
14. Luster that is shown by a piece of wood or graphite.
16. Glass and wood are examples.
17. Material reacts with oxygen in the atmosphere.
18. Luster that is shown by glass.

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Down : 
1. This property is least useful in telling if something is a metal. 
2. Copper, Zinc and Tin are examples of this. 
3. Luster that is shown by a candle. 
5. Lead may be said to have this luster. 
6. This non-metal, a form of Carbon, conducts electricity. 
9. This precious metal does not oxidise. 
10. These are free to move in metals but are held in place in non-metals. 
11. Zinc has this luster. 
13. This non-metal, a precious form of Carbon, does not conduct electricity. 
15. This metal forms the outside of pennies.

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Science>Chemistry>Sorting Materials into Groups>Physical Properties of Non-metals

What are the different forms in which silicon exists in Earth's crust?

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Science>Chemistry>Sorting Materials into Groups>Physical Properties of Non-metals
The non-metal which is a good conductor of electricity is: