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Why is crystal of oxalic acid regarded as a primary standard solution ?

User Stasie
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1 Answer

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Answer:

dwn

Step-by-step explanation:

Oxalic acid solution is a primary standard because it is highly pure, stable and does not change its concentration with environmental factors. > Coming to option B, Sodium thiosulphate, it is a secondary standard reagent. Sodium thiosulphate is also called hypo.

User Delores
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