Question

Give reasons for the following statements: (two points each)


a) Nitrogen is used for flushing food packets.

b) Nitrogen controls combustion of substances.

c) Air is considered a mixture and not a compound​

Answer 1

Answer:

a)Nitrogen - 1) Nitrogen is used for flushing food packets because not to get spoil.

2) To protect from houseflys.

b) Nitrogen controls combustion of substances-

1) Combustion, or burning,[1] is a high-temperature exothermic redox chemical reaction between a fuel (the reductant) and an oxidant, usually atmospheric oxygen, that produces oxidized, often gaseous products, in a mixture termed as smoke.

2) Combustion does not always result in fire, but when it does, a flame is a characteristic indicator of the reaction.

c) Air is considered a mixture and not a compound - 1) Air is mixed with more gases.

2) ---------------------------------------------

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