Question

some difficult question for metals for grade 8​

Answer 1

Answer:

write chemical formula of bleaching powder

Answer 2

This is displacement reactions series.

1. the only non metal which has lusture ?

Ans: diamond, graphite , iodine.

2. Which metal is in liquid state at room temperature?

Ans: Mercury.

3.which non metal is in liquid state at room temperature?

Ans : Bromine.

4.which non metal is a good conductor of electricity..

Ans: Graphite .

5.which non metal has highest melting and boiling point.?

Ans: graphite and few other form of carbon.

6.which element undergoes sublimation ?

Ans: Iodine.

7. Name the some soft metal?

Ans : sodium & potassium are soft metals which can be cut with a knife.

8.Name some mettaloids?

Ans : boron , silicon , tellurium, germanium , arsenic & antimony.

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