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What will be the final colour of the solution obtained during silica analysis?

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What will be the final colour of the solution obtained during silica analysis?

(a) Pink

(b) Red

(c) Blue

(d) Yellow

This question was addressed to me during an interview for a job.

This interesting question is from Silica Analyser topic in chapter Dissolved Component Analysers of Analytical Instrumentation

1 Answer

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Correct option is (c) Blue

Easy explanation: This method works on the principle of molybdenum blue method. Hence, the colour of the final solution will be blue.

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