A sample of soil is collected from a garden. When this sample is mixed – InterviewSolution

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1.	A sample of soil is collected from a garden. When this sample is mixed with the extract of red cabbage, the color of the extract changed to light pink. Which of the following(s) should be added to make the soil suitable for plants?
Answer» A sample of soil is collected from a garden. When this sample is mixed with the extract of red cabbage, the color of the extract changed to light pink. Which of the following(s) should be added to make the soil suitable for plants?

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