Advertisements
Advertisements
प्रश्न
State whether the following statement are true or false :
Salt and water can be recovered from an aqueous salt solution by the process of evaporation.
उत्तर
True. As water can undergo the process of evaporation forming vapours, which can be collected in a separate container and can be easily separated from a salt solution.
APPEARS IN
संबंधित प्रश्न
Intermolecular force of attraction is maximum in ............ less in .......... and the least in .............
Solids have definite shape and definite volume.
Write true or false for each statement. Rewrite the false statement correctly.
Matter cannot exist in different states.
All kinds of matter
Classify the following into elements, compounds and mixtures:
- Sodium
- Soil
- Sugar solution
- Silver
- Calcium carbonate
- Tin
- Silicon
- Coal
- Air
- Soap
- Methane
- Carbon dioxide
- Blood
What is the scientific name of particles which make up mater?
Name a metal which is soft and a non-metal which is hard.
Name a liquid which can be classified as a pure substance and conducts electricity.
Which of the following is not an element ?
What happens when the temperature of a saturated sugar solution is increased ?
Milk of Magnesia is :
One of the following represents the solution of solid in a solid. This one is :
Fill in the following blanks with suitable words :
A heterogeneous mixture of liquid and solid is conveniently separated by...............
Pure copper sulphate can be obtained from an impure sample by the process of :
The technique which is used to separate particles of a solid suspended in a liquid quickly is called :
The boiling point of liquid argon is :
______ is not made of matter.
Stars including Sun are covered in ______.
Give some examples of the Tyndall effect observed in your surroundings?
