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प्रश्न
The molecules can move freely anywhere in
विकल्प
gases
liquids
solids
none of the above
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उत्तर
gases
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संबंधित प्रश्न
Select the correct alternative
The molecules can move freely anywhere in
- gases
- liquids
- solids
- none of the above
Describe in your own words, what happens to the particles when salt dissolves in water.
Explain why, hydrogen and oxygen are considered elements whereas water is not considered an element.
In the following set of substances, one item does not belong to the set. Select this item and explain why it does not belong to the set :
Hydrogen, Oxygen, Steam, Chlorine
What is the most common way of expressing the concentration of a solution ?
Fill in the following blanks with suitable words :
Miscible liquids are separated by .....................
How would you obtain sodium chloride from a mixture of sodium chloride and sulphur without using water ?
How can you obtain pure water from a salt-water mixture (or salt-solution) ? Draw a neat and labelled diagram of the apparatus you would use to obtain pure water from a salt-water mixture (or salt-solution).
Explain the meaning of the term ‘matter’.
Define the term matter.
