Question

black oxidising agent reducing agent

Answer 1

carbon black is the answer for reducing agent
manganese dioxide is a black oxidising agent

Answer 2

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☺ Hello mate__ ❤

◾◾here is your answer.

✒✒carbon black is a reducing agent

extra information:--

✒ OXIDISING AGENT :--

Some substances are capable of adding oxygen to others. These are known as oxidizing agents.

✒EXAMPLE OF OXIDISING AGENT:--

1) alkaline potassium permanganate

2) acidified potassium dichromate

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✒REDUCING AGENT :--

The substance which loses electrons to the other substance and gets oxidized to the higher valency state is known as reducing agent.

✒EXAMPLE OF REDUCING AGENT:--

1)potassium nitrate,

2)nitric acid. 

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I hope, this will help you.☺

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