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प्रश्न
Draw a flow-chart for the schematic representation of different types of matter.
उत्तर
Following flowchart represents different types of matter:
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संबंधित प्रश्न
Fill in the blank :
The state of matter with definite volume and definite shape is called______
Name the scientist who studied the movement of pollen grains suspended in water through a microscope. What is this phenomenon known as?
Define matter. Give four examples of matter.
Name a metal which is soft and a non-metal which is hard.
The three important metalloids are.............................. and ..........................
State one property in which a solution of sugar in water resembles a mixture of sugar and sand, and one property in which it differs from it.
Name a metal which can be easily cut with a knife.
Name a metal which has no fixed shape.
One of the following substances is neither a good conductor of electricity nor an insulator. This substance is :
Iron powder and sulphur powder were mixed together and divided into two parts A and B. When part A was heated strongly over a burner, then a substance C was formed. The part B was, however, not heated at all. When dilute hydrochloric acid was added to substance C, then gas D was evolved and when dilute hydrochloric acid was added to part B then gas E was evolved.
- What type of substance is B ?
- What type of substance is C ?
- Name the gas (i) D, and (ii) E ?
- State one characteristic property of gas D.
- Write one test to identify gas E.
Fill in the following blank :
A colloid is a ..............mixture and its components can be separated by the technique known as ...............
Define Sol and give one example.
What will happen if a saturated solution is :
- heated
- cooled
Name the process which can be used to recover salt from an aqueous salt solution.
Name the process by which common salt is obtained from sea-water.
Fill in the following blanks with suitable words :
A mixture of kerosene and petrol can be separated by .....................
Which one of the following scrap metal cannot be separated by magnetic separation ?
Which of the following statements are true for pure substances?
(i) Pure substances contain only one kind of particles
(ii) Pure substances may be compounds or mixtures
(iii) Pure substances have the same composition throughout
(iv) Pure substances can be exemplified by all elements other than nickel
Boiling refers to the process by which a substance changes from the liquid to the gaseous state at its ______ point.
The fluidity of solids: ______.
