Anjali took sand, red soil, gravel and soil from a forest in four test – InterviewSolution

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1.	Anjali took sand, red soil, gravel and soil from a forest in four test tubes. She then poured hydrogen peroxide into each test tube. Which test tube will produce the highest effervescence?
Answer» Anjali took sand, red soil, gravel and soil from a forest in four test tubes. She then poured hydrogen peroxide into each test tube. Which test tube will produce the highest effervescence?

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