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प्रश्न
Define the following term of Matter .
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उत्तर
Matter—Anything that has mass and occupies space is called matter.
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संबंधित प्रश्न
Fill in the blank
Any matter which has a definite _______ but no definite shape is called a _______
The best evidence for the existence and movement of particles in liquids was provided by :
Explain why, osmosis can be considered to be a special kind of diffusion. Classify the following into
(i) osmosis, and (ii) diffusion :
- swelling up of a raisin on keeping in water
- spreading of virus on sneezing
- earthworm dying on coming in contact with common salt
- shrinking of grapes kept in thick sugar syrup
- preserving of pickles in salt
- spreading of smell of cake being baked in the kitchen
- aquatic animals using oxygen dissolved in water during respiration
Fill in the following blanks with suitable words :
An element is made up of only one kind of ........
Which of the following are ‘pure substances’ ?
Ice, Milk, Iron, Hydrochloric acid, Calcium oxide, Mercury, Brick, Wood, Air
Name two solid, two liquid and two gaseous elements at the room temperature.
Which of the following are compounds ?
- CO
- No
- NO
- Co
Out of a colloid, solution and a suspension :
which one has the smallest particles ?
Which of the two will scatter light : soap solution or sugar solution ? Why ?
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 is not an emulsion ?
Fill in the following blanks with suitable words :
Immiscible liquids are separated by using a .....................
Fill in the following blanks with suitable words :
If a mixture contains iron filings as one of the constituents, it can be separated by using a .......................
How will you separate a mixture containing sand and sugar ?
How will you separate iron pins from sand ?
How will you separate water from mustard oil ?
How is cream separated from milk ?
Draw a labelled diagram of the fractional distillation apparatus used for separating a mixture of alcohol and water.
Asmita went to buy an earthen pot. There she saw many things kept for sale.
How did she identify what she needed?
Compressibility of solids: ______.
