Measurement of the area of the indented surface is not involved in the __________ hardhes testing method.

Question: Nickel made/clad equipments are suitable for handling
[A].

ammonia (both aqueous & anhydrous).

[B].

fruit juices, milk & its products and caustic soda solution.

[C].

nitric acid & hydrochloric acid (conc).

[D].

sulphuric acid (conc).

Answer: Option B

Explanation:

No answer description available for this question.