Advertisements
Advertisements
प्रश्न
Fill in the blank
All matter is made up of tiny particles called ______
उत्तर
All matter is made up of tiny particles called atoms.
APPEARS IN
संबंधित प्रश्न
Solids have definite shape and definite volume.
When a crystal of potassium permanganate is placed in a beaker, its purple colour spreads throughout the water. What does this observation tell us about the nature of potassium permanganate and water?
Honey is more viscous than water. Can you suggest why?
Give reason why graphite is used for making elecrode in a dry cell.
Which of the following does not have a fixed melting point/boiling point ?
What is the name of the clear liquid formed when a solid dissolves in a liquid ?
Explain what happens when a beam of light is passed through a colloidal solution.
Define solubility of a substance. How does it vary with temperature ?
What is the effect of temperature on the solubility of solids in liquids ?
Tincture of iodine has antiseptic properties. This solution is made by dissolving :
What difference in the properties of oil and water enable their separation by a separating funnel ?
Fill in the following blanks with suitable words :
A heterogeneous mixture of liquid and solid is conveniently separated by...............
Describe the method of separating a mixture containing common salt, sand and ammonium chloride.
Draw a labelled diagram of the fractional distillation apparatus used for separating a mixture of alcohol and water.
Matter is made up of ______.
The most reactive metal is ______.
The movement of particles in liquids is ______.
Gases change to liquid by the process of ______.
Gases do not diffuse very easily.
Boiling refers to the process by which a substance changes from the liquid to the gaseous state at its ______ point.
