MEDIUM
8th CBSE
IMPORTANT
Earn 100

The element which is stored in kerosene is:
(a)sulphur
(b)phosphorus
(c)sodium
(d)silicon

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Important Questions on Materials: Metals and Non-Metals
MEDIUM
8th CBSE
IMPORTANT
Which of the following pairs cannot undergo displacement reaction?

EASY
8th CBSE
IMPORTANT
Which of the following metals exist in the liquid state at room temperature?

EASY
8th CBSE
IMPORTANT
The element burns in air to form an oxide. The aqueous solution of this oxide turns blue litmus to red. The element is most likely to be.

EASY
8th CBSE
IMPORTANT
Which of the following elements is a metalloid?

MEDIUM
8th CBSE
IMPORTANT
Which of the following elements will produce an oxide that will dissolve in water to form an acid?

MEDIUM
8th CBSE
IMPORTANT
The least reactive metal among the following is:

MEDIUM
8th CBSE
IMPORTANT
You are given a solution of iron sulphate. Which of the following do you think cannot displace iron from iron sulphate?

MEDIUM
8th CBSE
IMPORTANT
When a vessel is exposed to moist air for a long time, then a green coating is formed on its surface. The vessel must be made of:
