Question

Which test tube will turn turmeric solution to red:
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i) solution of tatric acid
ii)soap solution
iii)pure water
iv) None of these​​

Answer 1

Answer:Litmus indicator solution turns red in acidic solutions and blue in alkaline solutions. It turns purple in neutral solutions. Litmus paper is usually more reliable, and comes as red litmus paper and blue litmus paper. The table shows the colour changes it can make.

Explanation: