Separation by evaporation – Spot the...

The video tutorial explains the concept of solubility, highlighting that detergent, sugar, and salt dissolve in water, while sand, talcum powder, and glitter do not.

Which of the following is mentioned first in the video?

• Detergent

• Talcum powder

• Salt

• Sugar

Which of these substances can dissolve in water?

• Sand

• Detergent

• Talcum powder

• Glitter

Which of the following is NOT soluble in water?

• Sand

• Salt

• Sugar

• Detergent

What is common between talcum powder and glitter in terms of solubility?

• Only glitter is soluble

• Both are soluble in water

• Both are insoluble in water

• Only talcum powder is soluble

Which of these is a characteristic of substances like sand in water?

• They evaporate

• They remain undissolved

• They change color

• They dissolve completely