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प्रश्न
Explain the meaning of the term ‘matter’.
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उत्तर
The matter is defined as anything that has mass, occupies space, and can be felt by the senses.
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संबंधित प्रश्न
The inter-molecular force is maximum in
Select the correct alternative
The molecules can move freely anywhere in
- gases
- liquids
- solids
- none of the above
Fill in the blank :
The state of matter with definite volume and definite shape is called______
Classify the following into elements, compounds and mixtures:
- Sodium
- Soil
- Sugar solution
- Silver
- Calcium carbonate
- Tin
- Silicon
- Coal
- Air
- Soap
- Methane
- Carbon dioxide
- Blood
Name two processes which provide the best evidence for the motion of particles in matter.
When a crystal of potassium permanganate is placed at the bottom of water in a beaker, the water in the whole beaker turns purple on its own, even without stirring. This is an example of :
Which of the following is a mixture ?
Salt, Air, Water, Alum, Sugar
What elements do the following compounds contain ?
Sugar, Common salt
What are the three general classes of matter ? Give one example of each type.
Choose one term from the following which includes the other three :
aerosol, emulsion, colloid, sol
Which of the following will show Tyndall effect ? Why ?
- Salt solution
- Starch solution
- Milk
- Copper sulphate solution
One of the following represents the solution of solid in a solid. This one is :
State whether the following statement are true or false :
Alcohol can be separated from a mixture of alcohol and water by a separating funnel.
How would you separate iodine from a mixture of iodine and common salt ?
The boiling point of liquid argon is :
Tincture of iodine is a mixture of two materials X and Y. The material Y has a property that its solid form can be converted directly into vapours on heating by a process called Z.
- What could X be ?
- What could Y be ?
- Name the process Z.
- Which process would you use to recover both the components X and Y from tincture of iodine ?
- Which process can be used to recover only component Y from tincture of iodine ?
What's the solution?
We need to make a sherbet quickly for some guests. But we only have sugar candy in the house.
Name the metals that are used in jewellery.
The fluidity of solids: ______.
