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"GENERAL CHEMISTRY G11": HTML5 Crossword

Across

2. 13.Water is an example of .......molecular compound (6)
9. 14.the catalyst in contact process (14)
11. 17.......is a metal pollutant (4)
12. 16........metals form colored compounds (10)
14. 18........is used in a welding environment (5)
17. 7.Natural gas and paddy rice are sources of ........gas (7)

Down

1. 8.The silent killer oxide of carbon (14)
3. 3. In terms of heat change, Haber process is classified as a ........reaction (10)
4. 6.Methane and .....are considered the major green house gases (13)
5. 9.A reaction controlled by amount of light (13)
6. 2.according to the collision theory, for a reaction to take place, there must be collisions between the particles and the collisions must have.......energy (10)
7. 10.A shared pair of electrons (12)
8. 1.Name the type of bonding in HBr (8)
10. 11.metallic bonding is the attraction between metal......and a sea of electrons (4)
13. 4........in pressure improves the yield of ammonia in the Haber process (8)
15. 5........is the amount of substance with 6.02x10 power 23 (5)
16. 12.ionic compounds have a .............ionic structure (5)

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