Advertisements
Advertisements
प्रश्न
The best evidence for the existence and movement of particles in liquids was provided by :
विकल्प
John Dalton
Ernest Rutherford
J.J. Thomson
Robert Brown
उत्तर
Robert Brown
APPEARS IN
संबंधित प्रश्न
The molecules can move freely anywhere in
Give one difference between atoms and molecules.
What is the scientific name of particles which make up mater?
Honey is more viscous than water. Can you suggest why?
When a crystal of potassium permanganate is placed at the bottom of water in a beaker, the water in the whole beaker turns purple on its own, even without stirring. This is an example of :
Fill in the following blanks with suitable words :
An element is made up of only one kind of ........
Name a metal which can be easily cut with a knife.
Name a metal which forms amalgams.
What is the name of the clear liquid formed when a solid dissolves in a liquid ?
State whether the following statement is true or false :
Bread is an example of solid foam.
Define Foam Give one example.
Define solubility of a substance. How does it vary with temperature ?
What's the solution?
We need to make a sherbet quickly for some guests. But we only have sugar candy in the house.
Write a few lines on the blackboard with a chalk. Now observe the chalk. What changes do you see in the chalk?
Asmita went to buy an earthen pot. There she saw many things kept for sale.
What is the difference between a substance and an object?
State whether true or false. If false, correct the statement.
Oil and water are immiscible with each other.
The particles in the matter are extremely small and can be seen even with a powerful microscope.
Gases change to liquid by the process of ______.
The pressure of gases does not depend on the temperature of the gas and the volume it occupies.
