Advertisements
Advertisements
प्रश्न
Define the following term of Matter .
उत्तर
Matter—Anything that has mass and occupies space is called matter.
APPEARS IN
संबंधित प्रश्न
State two characteristics of matter demonstrated by Brownian motion.
An inflated balloon full of air goes down slowly (becomes smaller and smaller slowly) even though the knot at the mouth of the balloon is airtight. And after a week all the air has escaped from the balloon. Explain how the air particles got out of the balloon.
How much water should be mixed with 12 mL of alcohol so as to obtain 12 % alcohol solution ?
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.
Which of the following represents the solubility of sugar in water at 20°C ?
One of the following represents the solution of solid in a solid. This one is :
Tincture of iodine has antiseptic properties. This solution is made by dissolving :
Name the process by which common salt is purified.
Fill in the following blanks with suitable words :
A mixture of kerosene and petrol can be separated by .....................
Describe the various steps involved in the separation of iodine, iron filings and salt from a mixture.
Describe a method for separating a mixture of iron filings and sulphur powder other than that by using a magnet.
Draw a labelled diagram of the fractional distillation apparatus used for separating a mixture of alcohol and water.
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 :
Asmita went to buy an earthen pot. There she saw many things kept for sale.
How did she identify what she needed?
You want to wear your favourite shirt to a party, but the problem is that it is still wet after a wash. What steps would you take to dry it faster?
______ is so hard that it can scratch glass.
Evaporation does form bubbles.
Examples of foam are ______.
Define the term matter.
