Question

ii) Name the process by which Oxygen gas is released in air.
iii) Which gas is used in packaging of food?​

Answer 1

Answer:

1. combustion
2. nitrogen

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Answer 2

2 .respiration

Water, soil, or on earth require oxygen present in the air for respiration. During the process of respiration, oxygen is inhaled and carbon dioxide gas is released into the

3. Nitrogen

Gaseous nitrogen has unique chemical and physical properties that make it suitable for use in food processing. Nitrogen is inert which means it will not react with prepared food materials, which can alter their aromas or flavors.