Chemistry
Grade-10
Easy
Question
A chemical dye that can be added to a substance that changes color depending on whether the substance is acidic, neutral or alkaline.
- A poison
- An alkali
- An acid
- An indicator
Hint:
Indicator changes its color in acids and bases.
The correct answer is: An indicator
A chemical indicator is a substance that undergoes a distinct observable change when conditions in its solution change. This could be a color change, precipitate formation, bubble formation, temperature change, or other measurable quality.
A chemical dye that can be added to a substance that changes color depending on whether the substance is acidic, neutral or alkaline is called an indicator.
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