Advertisements
Advertisements
प्रश्न
The molecules can move freely anywhere in
पर्याय
gases
liquids
solids
none of the above
Advertisements
उत्तर
gases
APPEARS IN
संबंधित प्रश्न
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 general name of the materials which contain at least two pure substances and show the properties
of their constituents ?
The three important metalloids are.............................. and ..........................
Draw a flow-chart for the schematic representation of different types of matter.
Which of the following are chemical changes and which physical ? Give reason.
- a glass bottle breaking
- coal burning in air
- making a cake
- wool being knitted into a sweater
Fill in the following blanks with suitable words :
The separation of liquids by fractional distillation is based on the difference in their .....................
______ is not made of matter.
All the matter made of ______.
The pressure of gases does not depend on the temperature of the gas and the volume it occupies.
Define the term matter.
