Question

10. Which of the following is not a primary standard substance
(a) Na (b) Na S,0, (c) ZnSO, (d) K2C2044​

Answer 1

Answer:

10. Which of the following is not a primary standard substance (c) ZnSO.

Explanation:

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Answer 2

ZnSO₄ is not a primary standard substance:

Explanation:

• Zinc sulfate is the inorganic compound which has a chemical formula ZnSO₄  and also known as "white vitriol".

• Zinc sulfate is a complicated fertiliser and this simple salt is a supply of the micronutrient zinc and the secondary nutrient sulfur.
• However, it is as a source of zinc that it's miles important.

• Zinc sulfate is used medically as a nutritional supplement. Specifically it's miles used to deal with zinc deficiency and to prevent the circumstance in the ones at excessive risk.
• This consists of use collectively with oral rehydration remedy for youngsters who've diarrhea.