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10th CBSE
IMPORTANT
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Zinc oxide is

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Important Questions on Metals and Non-metals

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10th CBSE
IMPORTANT
When a metal reacts with water, the gas evolved is _____ .
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10th CBSE
IMPORTANT
Iron reacts with steam to form
MEDIUM
10th CBSE
IMPORTANT
Which of the following is the correct order of decreasing chemical reactivity of metals?
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10th CBSE
IMPORTANT
Zn, Sn and Pb are less reactive than:
MEDIUM
10th CBSE
IMPORTANT
The oxide of hydrogen is
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10th CBSE
IMPORTANT
Metals of low reactivity are usually extracted from their ores by
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10th CBSE
IMPORTANT
Rusting of iron takes place in the presence of _____.
EASY
10th CBSE
IMPORTANT
Ionic bond is formed by _____.