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प्रश्न
Fill in the blank :
The substances which can flow are called ________
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उत्तर
The substances which can flow are called fluids.
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संबंधित प्रश्न
Name a liquid which can be classified as a pure substance and conducts electricity.
Name one solid, one liquid and one gaseous non-metal.
What name is given to those elements which are neither good conductors of electricity like copper nor insulators like sulphur ?
The three important metalloids are.............................. and ..........................
Name a metal which has no fixed shape.
What is the most common way of expressing the concentration of a solution ?
Fill in the following blank :
Milk is a .................... solution but vinegar is a .................... solution.
Classify the following into true solutions and colloidal solutions:
Ink, Salt solution, Starch solution, Blood, Sugar solution
Name the process which is used in milk dairies to separate cream from milk.
Fill in the following blanks with suitable words :
The gases of air can be separated by fractional distillation of liquid air because they have different..............
Describe the various steps involved in the separation of iodine, iron filings and salt from a mixture.
The technique which is used to separate particles of a solid suspended in a liquid quickly is called :
Explain the meaning of the term ‘matter’.
Write a few lines on the blackboard with a chalk. Now observe the chalk. What changes do you see in the chalk?
______ is not made of matter.
Non-metals are usually poor conductors of heat and electricity. They are non-lustrous, non-sonorous, non-malleable and are coloured.
Name a non-metal which exists as a liquid at room temperature.
In Aerosol the dispersed phase is liquid and the dispersion medium is gas.
A teabag placed in a cup of hot water will diffuse into the water.
Solids do not flow.
The fluidity of solids: ______.
