Question

answer of the given question​

Answer 1

3-test tubes

1-distilled water

2-acidic solution

3-basic solution

we are provided with a red litmus paper

if in any test tube red litmus changes to blue, then it will be basic solution and mark this test tube as basic

now keep that blue litmus in another test tube,if it changes to red then it will be acidic solution. And mark this test tube as acidic .

Remaining test tube will be distilled water.