Home
Class 10
CHEMISTRY
In three test tubes A, B and C, three di...

In three test tubes A, B and C, three different liquids namely, distilled water, underground
water and distilled water in which a pinch of calcium sulphate is dissolved, respectivley
are taken, Equal amount of soap solution is added to each test tube and the contents are
shaken. In which test tube will the length of the foam (lather) be longest? Justigy your
answer.

Promotional Banner

Similar Questions

Explore conceptually related problems

In three test tubes A, B and C, three different liquids namely, distilled water, underground water and distilled water in which a pinch of calcium sulfate is dissolved, respectively are taken, Equal amount of soap solution is added to each test tube and the contents are shaken. In which test tube will the length of the foam (lather) be longest? Justify your answer.

Zinc piece and zinc powder are taken in two test tubes and equal amount of dil. HCl is added. In which test tube does the reaction proceed faster?

You are provided with three test tubes containing distilled water, an acid and a base solution respectively. If you are given only blue litmus paper, how do you identify the contents of each test tube ?

Take 10 mL distilled water in a test tube and take the same volume of hard water in another test tube. Add a few drops of soap solution to both the test tubes and shake well. Do both the test tubes contain the same quantity of foam? Which test tube contains more foam? What do you infer?

You have been provided with three test tubes. One of them cotains distilled water and the other two cotain 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 ?