Short answerEasy1 mark
8(iii)
You are provided with some compounds in the box. Choose the most appropriate compound which fits the descriptions (a) to (c) given below:
A colourless gas which turns acidified K₂Cr₂O₇ from orange to green.
Topic: Ammonia: preparation, properties and reactions
Previous-year question practice database
Answer
Exam answer
SO₂.
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