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- 1. Fill in the Blank
Diamond is used as tip for deep boring drills due to its strength and ___________ of carbon-carbon bond.
- 2. Fill in the Blank
Parallel layers of graphite are held together by weak _____ forces
- 3. Fill in the Blank
_______ burns to give carbon dioxide, carbon monoxide and small amount of ash
- 4. Fill in the Blank
Graphite is chemically _________ towards acids.
- 5. Fill in the Blank
Coal is mainly used as a ___________ fuel.
- 6. Fill in the Blank
Coke is mainly used in the manufacture of _______ gas.
- 7. Fill in the Blank
Carbon di oxide reacts with sodium oxide to form __________.
- 8. Fill in the Blank
Soda acid fire extinguisher should not be used to fight ______ fires.
- 9. Fill in the Blank
In case of suffocation artificial respiration with _______ should be given.
- 10. Fill in the Blank
Workers in factories are given a mask of __________.
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