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Which of the following is the best…preparation of oxygen?
Posted by: QuizTablet 834 views CHEMISTRY
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Which of the following is the best starting material for the preparation of oxygen? Heating of trioxonitrate (v) of
- A. Pb
- B. Zn
- C. Ca
- D. Na
QUICK ANSWER…
A
SOLUTION…
Heating of lead(II)trioxonitrate (v) decomposes it to gives off oxygen, lead oxide, and nitrogen dioxide.
Now for the right answer to the above question:
- Option A is correct.
- Option B is incorrect.
- C is incorrect.
- D is not the correct answer.
QUICK TIPS…
You may please note these/this:
- Sodium nitrate also decomposes on heating to give off oxygen, but that of lead is more common.
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/culled from 2019 JAMB-UTME Chemistry question 10/
