Chemistry, asked by Anonymous, 9 months ago

please help me with this.....fast

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Answered by zulqarnainHJ

Answer:

18.Hydrgen

lithium

sodium

a)Berillium

magnisium

calcium

c)Helium

neon

argon

Answered by Dharshini1359

Answer:

a) Corrosion is a natural process that converts a refined metal into a more chemically stable form such as oxide, hydroxide, or sulfide. It is the gradual destruction of materials (usually a metal) by chemical and/or electrochemical reaction with their environment.

b) Rancidification is the process of complete or incomplete oxidation or hydrolysis of fats and oils when exposed to air, light, or moisture or by bacterial action, resulting in unpleasant taste and odor.

Explanation:

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