Question

hey can anyone help me with this one! pls correct answers only,I have a test tomorrow
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Answer 1

Answer:

15:both  A and R are true R is correct explanation of A

16:both A and R are true R is the correct explanation of  A

Explanation:

15.Here HCl is oxidized to Cl2 and Mno2 is reduced to MnCl2.

   so it is a redox reaction

16. When a few crystals of lead nitrate and potassium iodide are added to opposite sides of a Petri dish containing deionized water, after a few minutes, a line of bright yellow lead(II) iodide precipitate forms down the middle of the dish