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प्रश्न
Define matter.
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उत्तर
Anything that has mass and occupies space is called matter.
संबंधित प्रश्न
Fill in the blank :
The substances which can flow are called ________
Name two processes which provide the best evidence for the motion of particles in matter.
Name one solid, one liquid and one gaseous non-metal.
Explain why, hydrogen and oxygen are considered elements whereas water is not considered an element.
“Is malleable and ductile” best describes :
In what respects does a true solution differ from a colloidal solution ?
Classify the following into true solutions and colloidal solutions:
Ink, Salt solution, Starch solution, Blood, Sugar solution
Explain what happens when a beam of light is passed through a colloidal solution.
You have been given a suspension and a solution. How could you tell the difference between them by their appearance ?
Which of the following do not exhibit Tyndall effect ?
Starch solution, Sugar solution, Ink, Salt solution, Copper sulphate solution, Ammonium chloride solution, Fog, Smoke, Car exhausts.
Name the process by which common salt is obtained from sea-water.
How will you separate water from mustard oil ?
How is cream separated from milk ?
With the help of a labelled diagram, describe the method of separating ammonium chloride from a mixture of ammonium chloride and common salt. Mention the difference in the properties of ammonium chloride and sodium chloride which has made this separation possible.
Which of the following mixture cannot be separated by using water as the solvent ?
Pure copper sulphate can be obtained from an impure sample by the process of :
Matter is made up of ______.
Name the metals that are used in jewellery.
Give some examples of the Tyndall effect observed in your surroundings?
Liquids have ______.
