Revision Zone
Write T for True and F for False.
1. Zinc is used in the manufacturing of fireworks.
2. All non-metals are malleable and ductile.
3. Sulphur is used in the preparation of gunpowder.
4. Helium is used for filling hot-air balloons because it is lighter than air.
5. Metalloids have metallic appearance.
Answers
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1
Answer:
t
f .
f
t
f
Explanation:
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