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प्रश्न
Fill in the following blanks with suitable words :
A heterogeneous mixture of liquid and solid is conveniently separated by...............
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उत्तर
A heterogeneous mixture of liquid and solid is conveniently separated by centrifugation.
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संबंधित प्रश्न
Intermolecular force of attraction is maximum in ............ less in .......... and the least in .............
What are the two conditions for the interconversion of states of matter ?
What is the scientific name of particles which make up mater?
Explain why air is used to inflate tyres.
What is meant by saying that metals are malleable and ductile?
Fill in the following blanks with suitable words :
The elements which are sonorous are called ..........................
State any two properties for believing that aluminium is a metal.
Name a non-metal :
- which is lustrous
- which is required for combustion
- whose one of the allotrophic forms is a good conductor of electricity. Name the allotrope.
- other than carbon which shows allotropy
- which is known to form the largest number of compounds
Name a metal which has no fixed shape.
Which of the following are not compounds ?
Chlorine gas, Potassium chloride, Iron powder, Iron sulphide, Aluminium foil, Iodine vapour, Graphite, Carbon monoxide, Sulphur powder, Diamond
What is meant by (i) elements (ii) compounds, and (iii) mixtures ?Write down the names of two elements, two compounds and two mixtures.
State whether the following statement is true or false :
Bread is an example of solid foam.
The dyes present in fountain pen ink can be separated by the technique of :
The technique which is used to separate particles of a solid suspended in a liquid quickly is called :
Which of the following cannot be separated from air by the process of fractional distillation ?
The property which allows the metals to be hammered into their sheets is ______.
Which of the following are homogeneous in nature?
(i) ice
(ii) wood
(iii) soil
(iv) air
Intermolecular space is maximum in ______.
Evaporation does form bubbles.
Define the term matter.
