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Class 10 - Science - CHAPTER 1: Chemical Reactions and Equations - Multiple Choice QuestionsQuestion 14
Class 10 - Science - CHAPTER 1: Chemical Reactions and Equations - Multiple Choice Questions
Question. 14
Which gases can be used to store a fresh oil sample for long time?
(a)
CO2 or O2
(b)
N2 or O2
(c)
CO2 or He
(d)
He or N2
Detailed Answer with Explanation:
Use inert gases to prevent oxidation: nitrogen or helium.