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Chemistry CBSE Live product
Class 10
Metals and non-metals
Ionic compounds
7.
Occurrence of metals
Question:
2
m.
Choose the correct answer:
1
.
Calcium
Magnesium
Platinum
Potassium
does not react easily with water or air.
2
.
Iron
Copper
Sodium
Zinc
is an example of highly reactive metal.
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