Knockout CUET (Physics, Chemistry and Mathematics)
Complete Study Material based on Class 12th Syllabus, 10000+ Question Bank, Unlimited Chapter-Wise and Subject-Wise Mock Tests, Study Improvement Plan.
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2 reason-
1. When we turn on the valve gas should come with pressure.
2. Need more quantity to cooking in the valume of cylinder we can convert gas into liquid so it will have more in quantity.