Advertisements
Advertisements
Question
Which of the following will show Tyndall effect ? Why ?
- Salt solution
- Starch solution
- Milk
- Copper sulphate solution
Solution
Starch solution and milk will show Tyndall effect.
This is because in a milk solution and starch solution (colloidal solutions) the size of solute particles is big enough to scatter the light passing through it.
APPEARS IN
RELATED QUESTIONS
Liquids have definite volume but do not have definite shape.
Fill in the blank :
The state of matter with definite volume and definite shape is called______
What is Brownian motion? Draw a diagram to show the movement of a particle (like a pollen grain during Brownian motion.
Give reason why copper metal is used for making electric wires.
How would you confirm that a colourless liquid given to your is pure water ?
Name a metal which has no fixed shape.
Which of the following are compounds ?
- CO
- No
- NO
- Co
What is the name of the clear liquid formed when a solid dissolves in a liquid ?
What is meant by the concentration of a solution ?
What will happen if a saturated solution is :
- heated
- cooled
What is a suspension ? Give two examples of suspensions.
What difference in the property of two miscible liquids enables their separation by fractional distillation ?
State whether the following statement are true or false :
Alcohol can be separated from a mixture of alcohol and water by a separating funnel.
What difference in the properties of oil and water enable their separation by a separating funnel ?
Fill in the following blanks with suitable words :
A heterogeneous mixture of liquid and solid is conveniently separated by...............
Describe the method of separating a mixture containing common salt, sand and ammonium chloride.
Name one pair of liquids which can be separated by using a separating funnel.
Explain the meaning of the term matter with special reference to the term ‘substance’.
Stars including Sun are covered in ______.
Define the term matter.
