Home › Andhra Pradesh SSC (Class 10) › Chemistry › Acids, Bases and Salts › Acids turn blue litmus paper
Acids turn blue litmus paper
Ablue
Bgreen
Cred
Dgrey
Answer & Solution
Correct answer: C. red
1. Litmus is a natural acid base indicator.
2. In an acidic solution it changes from blue to red.
3. Bases do the reverse, turning red litmus blue.
_Source: AP/TS SCERT Class 10 Physical Science, "Acids, Bases and Salts"_
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