Question

16. Base turns red litmus paper to
17. Base turns turmeric paper or solution to
18. Litmus is obtained from
19.2 Mg + 02 →
20. Fe + H2O + O2
END​

Answer 1

Answer:

16. Blue

17. Red

19. 2Mg + O2 = 2MgO

20. 2Fe + H2O + O2 = Fe2O3 + H2

Explanation:

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Answer 2

Explanation:

16) base turns red litmus paper to blue

17) base turns turmeric paper solution to blue

18) litmus paper obtained from lichen

19) 2Mg+02➡️2MgO

20) Fe+ H2O+O2 ➡️feO3+ H2

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