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Chemistry CBSE Live product
Class 7 (2026-27)
The World of Metals and Non-metals
Effect of air and water on non-metals
1.
Properties of metals and non-metals
Question:
2
m.
Pick out
the
correct
answer:
1.
A student hammers four substances. One of them flattens into a thin sheet instead of breaking. Which property does this substance show?
-
Conductivity
Brittleness
Malleability
Ductility
2.
Which statement is NOT correct?
-
Most metals are solids at room temperature
Sodium is a hard metal
Mercury is a liquid metal
Potassium is a soft metal
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