Question

Please answer this question​

Answer 1

Explanation:

How many electrons are involved in the following redox reaction?

Cr2O7

2- + Fe2+ + C2O4

2- → Cr3+ + Fe3+ + CO2 (Unbalanced)

(1) 3

(2) 4

(3) 5

(4) 6

Answer 2

Answer:

1. noun - preservation, adjective - preserver
2. noun - development, adjective - developing

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