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प्रश्न
In the manufacture of sulphuric acid by contact process Tyndall box is used to ____________.
विकल्प
convert SO2 and SO3
test the presence of dust particles
filter dust particles
remove impurities
MCQ
रिक्त स्थान भरें
उत्तर
In the manufacture of sulphuric acid by contact process Tyndall box is used to test the presence of dust particles.
shaalaa.com
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