Chemistry, asked by Anonymous, 10 months ago

plzzzz answer plzzz plz plz please
plz answer the questions 19&20
the best answer I will mark BRAINLIEST
​

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Answers

Answered by khushivk2011
1

Answer:

1)Fe2O3. x H2O

2)CO2

Hope it helps...

Answered by rawatankit4227
1

Answer:

19. c

2o. a

Explanation:

Answer of 19: It is the formula of rust

20. It is due to CO2 gas.

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