EASY
Earn 100

Which one of the following is a non-metal?

50% studentsanswered this correctly

Important Questions on Sorting Materials into Groups

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

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.

Question Image
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.

MEDIUM

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

MEDIUM
The non-metal which is a good conductor of electricity is: