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प्रश्न
Define matter.
उत्तर
Anything that has mass and occupies space is called matter.
संबंधित प्रश्न
Name the processes involved in two cases.
Classify the following into elements and compounds :
- H2O
- He
- Cl2
- CO
- Co
Give reason why graphite is used for making elecrode in a dry cell.
What are (i) metals (ii) non-metals, and (iii) metalloids ? Give two examples each of metals, non-metals and metalloids.
Classify the following into metals, non-metals and metalloids:
Silicon, Mercury, Diamond, Sulphur, Iodine, Germanium, Sodium, Carbon, Magnesium, Copper, Boron, Helium
On the basis of composition of matter, milk is considered to be :
What happens when the temperature of a saturated sugar solution is increased ?
Fill in the following blank :
A colloid is a ..............mixture and its components can be separated by the technique known as ...............
Which of the following will show Tyndall effect ? Why ?
- Salt solution
- Starch solution
- Milk
- Copper sulphate solution
How would you prepare a saturated solution of sodium chloride in water at 25°C ? What will happen if this solution is cooled to 10°C ?
How will you separate a mixture of iron filings and powdered carbon ?
How will you separate a mixture of common salt, sulphur powder and sand ?
One of the following does not undergo sublimation. This one is :
Which one of the following scrap metal cannot be separated by magnetic separation ?
What's the solution?
We need to make a sherbet quickly for some guests. But we only have sugar candy in the house.
The property which allows the metals to be hammered into their sheets is ______.
Which among the following is not a matter?
Gases change to liquid by the process of ______.
The pressure of gases does not depend on the temperature of the gas and the volume it occupies.
Examples of foam are ______.
