Science, asked by payalsangeeta19, 7 months ago

plz solve the mcq's

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Answered by dhruvjsingh

0

Answer:

16. (d) All of these

17. (a) Combination Reaction

18. (c) double displacement reaction

19. (d) The Colour Of Solution Changes To Green

20. (a) X = Fe , Y = Fe2O3

Answered by salunkeshweta

1

Answer:

16 answer is adding antioxidants (A)

17 answer is combination reaction (A)

18 answer is double displacement reaction (C)

19 answer is the colour of solution changes to green (D)

20 answer is (A)

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