NCERT solution for class 10th //Science // lesson 2 - Acid bases and salt
NCERT solutions > class 10 > Science NCERT solution for class 10th //Science // lesson 2 - Acid bases and salt lesson 2 - Acid bases and salt Page number 18 Q1. You have been provided with three test tubes one of them contains distilled water and the other two contain an acidic solution and a basic solution respectively if you are given only red litmus paper how will you identify the contents of each test tube? Ans- We take a small amount of liquid in three separate test tube now dip the red litmus paper in each test tube if the liquid turns the red litmus to Blue then It is the basic solution keep that test tube side and out of these remaining two test tubes at one drop of each put on the the same litmus paper which turns blue due to basic solution if that litmus paper turn red then it is the acidic solution and the remai...