Chemistry
Grade-10
Easy
Question
What is an indicator?
- Chemical dyes that can change color according to pH
- A small light bulb on a car
- A chemical involved in a chemical reaction
- A substance used to neutralized on acid
Hint:
Indicators are chemical dyes that can change color according to pH
The correct answer is: Chemical dyes that can change color according to pH
- An indicator is defined as a chemical substance that changes color when exposed to acid or base.
- In general, indicators are generated from plant pigments and are moderately acidic or basic in nature.
- Methyl orange and phenolphthalein are some chemical indicators of pH.
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