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Surface Chemistry
Answer:
The nature of the substance whether colloid or crystalloid depends upon the particle size. When the size of the solute particles lies between 1000-10000 pm, it behaves like a colloid and in case it is less than this value, it gives the characteristics of crystalloid. Thus, colloid is not a substance but it is state of a substance which depends upon the particle size.
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In Haber's process, hydrogen is obtained by reacting methane with steam in presence of NiO as catalyst. The process is known as steam reforming. Why is it necessary to remove CO when ammonia is obtained by Haber’s process?
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