IGCSE A Level Chemistry MCQs - Chapter 20
Nitrogen and Sulfur Multiple Choice Questions (MCQ) PDF Download - 14
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Nitrogen and Sulfur Test Questions and Answers PDF Download: MCQ 14
The main catalyst which was used in Haber process was
- copper
- silver
- iron
- carbon
One of the most important manufactured chemical is
- sulfuric acid
- nitric acid
- benzoic acid
- acetic acid
Sulfuric acid (H2SO4) is used in
- tanning leather
- pickling
- car batteries
- all of above
Sulfur dioxide (SO2) is
- soluble in water
- insoluble in water
- sparingly soluble in water
- sparingly insoluble in water
The optimum pH value for action of sulfur dioxide (SO2) resistance of microbe growth, is less than
- 3
- 4
- 2
- 1
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