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प्रश्न
The best evidence for the existence and movement of particles in liquids was provided by :
पर्याय
John Dalton
Ernest Rutherford
J.J. Thomson
Robert Brown
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उत्तर
Robert Brown
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संबंधित प्रश्न
Intermolecular space is maximum in .......... less in ............ and the least in .........
Liquids have definite shape and definite volume.
Fill in the blank
Any matter which has a definite _______ but no definite shape is called a _______
Write true or false for each statement. Rewrite the false statement correctly.
Matter cannot exist in different states.
Name two processes which provide the best evidence for the motion of particles in matter.
Explain why steel is used to make railway lines.
During respiration, glucose and oxygen enter our body cells and waste products carbon dioxide and water leave the body cells by the process of :
What is meant by saying that metals are sonorous ?
What are the three groups into which all the elements can be divided ? Name two elements belonging to each group.
State two physical properties on the basis of which metals can be distinguished from non-metals.
Choose one term from the following which includes the other three :
aerosol, emulsion, colloid, sol
Explain what happens when a beam of light is passed through a colloidal solution.
How would you separate iodine from a mixture of iodine and common salt ?
Which of the following cannot be separated from air by the process of fractional distillation ?
Which one of the following scrap metal cannot be separated by magnetic separation ?
What difference in the properties of common salt and sand would enable you to separate a mixture of these two substances ?
Differentiate between the-two characteristics of matter – ‘mass’ & ‘weight’.
Give some examples of the Tyndall effect observed in your surroundings?
The most reactive metal is ______.
Gases change to liquid by the process of ______.
