chapter 2 Exploring Substances: Acidic, Basic, and Neutral - Part 3

A student observes red litmus becoming blue. Which conclusion is justified?

Type: MCQ • Marks: 1
A student observes red litmus becoming blue. Which conclusion is justified?
Options
A. The sample is acidic
B. The sample is basic
C. The sample is necessarily salty
D. The sample must be pure water
Explanation
Red-to-blue litmus change is the characteristic test for a base.
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Class 7th Curiosity

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