Soap Cleaning Capacity Quiz

What is the purpose of using distilled water in beaker A?

• To test the effect of soft water on soap

• To test the effect of ink on soap

• To test the effect of very hard water on soap

• To test the effect of hard water on soap

Why is calcium chloride added to beaker C?

• To neutralize the soap

• To make the water soft

• To make the water very hard

• To make the water hard

What should be done if the soap does not dissolve completely in the beaker?

• Shake the beaker vigorously

• Add more water

• Add more soap

• Heat the beaker gently

How is the lather formation measured in the test tubes?

• By measuring the length of the lather

• By counting the bubbles

• By observing the color change

• By weighing the test tubes

Which test tube produced the maximum length of lather?

• Test tube C

• Test tube B

• All produced the same length

• Test tube A

What is the purpose of placing ink spots on the cloth pieces?

• To test the absorption rate of the cloth

• To test the cleaning capacity of the soap solutions

• To test the drying time of the cloth

• To test the colorfastness of the cloth

What was observed on the cloth piece in soap solution A after 10 minutes?

• The ink spot remained unchanged

• The ink spot partially disappeared

• The ink spot almost disappeared

• The ink spot completely disappeared

Which soap solution showed the least cleaning capability?

• Soap solution with distilled water

• Soap solution with well water

• Soap solution with distilled water and calcium chloride

• All had the same cleaning capability

What is the effect of well water on the cleaning capacity of soap?

• It enhances the cleaning capacity

• It has no effect on the cleaning capacity

• It reduces the cleaning capacity

• It completely prevents cleaning

What conclusion can be drawn about the cleaning capacity of soap in soft water?

• It is moderately effective

• It is ineffective

• It is the most effective

• It is the least effective