Class VII Science Extra Questions
Class 7th Sample paper Questions
NCERT Books Class 7 science Questions
NCERT based sample Questions
Blue litmus paper is dipped in a solution. It remains blue. What is the nature of solution? Explain.
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Class VII Science Extra Questions
Class 7th Sample paper Questions
NCERT Books Class 7 science Questions
NCERT based sample Questions
The solution is either alkaline (or basic) or neutral. Because, blue litmus dos not change its colour in neutral or alkaline (basic) solution.