2014 · Q105
Which of the following solutions will not change the colour of blue litmus paper to red?
- 1Acid solution
- 2Base solution
- 3Common salt solution
Select the correct answer using the code given below.
General KnowledgeChemistry
- A1 and 3
- B2 and 3
- C1 only
- D2 only
Explanation
Acids turn blue litmus red; base and neutral salt solutions do not.