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Questions and Answers
Which gas is produced when salt A reacts with an acidified potassium dichromate?
Which gas is produced when salt A reacts with an acidified potassium dichromate?
- Carbon dioxide
- Sulphur dioxide (correct)
- Hydrogen sulphide
- Nitrogen dioxide
What happens when the gas produced from salt B is passed through lime water for a long time?
What happens when the gas produced from salt B is passed through lime water for a long time?
- It becomes turbid (correct)
- It turns red
- It turns yellow
- It becomes clear
Which gas is produced from the reaction of salt C, and what happens to it at the mouth of the test tube?
Which gas is produced from the reaction of salt C, and what happens to it at the mouth of the test tube?
- Nitrogen dioxide, turns brown
- Carbon dioxide, turns red
- Sulphur dioxide, turns brown (correct)
- Sulphur dioxide, turns yellow
What color does the gas produced from salt D change the wetted paper with lead II acetate into?
What color does the gas produced from salt D change the wetted paper with lead II acetate into?
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In the given diagram, what is the salt represented by 'X'?
In the given diagram, what is the salt represented by 'X'?
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