Home › Karnataka SSLC (Class 10) › Science › Acids, Bases and Salts › Which of these is a natural indicator?
Which of these is a natural indicator?
Amethyl orange
Bphenolphthalein
Cuniversal indicator
Dlitmus
Answer & Solution
Correct answer: D. litmus
1. Natural indicators are obtained from plants.
2. **Litmus** (from lichen) and turmeric are natural indicators.
3. Methyl orange and phenolphthalein are synthetic indicators.
_Source: Karnataka SSLC (KSEEB) Class 10 Science, Ch2 'Acids, Bases and Salts', §2.1_
Related questions
A honey bee sting injects an acid. The pain can be relieved by applyingWhile diluting a concentrated acid, the correct and safe practice is to addThe formula of washing soda isOn strong heating, baking soda gives sodium carbonate, water andThe chemical name of baking soda isBleaching powder is represented by the formulaThe three products of the chloro-alkali process are sodium hydroxide, hydrogen andIn the chloro-alkali process, electricity is passed through