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Help with number 20-22 please

Help with number 20-22 please
asked 37.5k views
2 votes
Help with number 20-22 please

Help with number 20-22 please-example-1
asked
User Gaurav Chawla
by
8.6k points

1 Answer

1 vote
18. c
19. A
20. decomposition reaction
21. 4
22. 0.04%

answered
User OBrien Evance
by
7.9k points
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