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प्रश्न
What is the scientific name of particles which make up mater?
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उत्तर
Atoms or molecules are the scientific names of particles that make up matter.
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संबंधित प्रश्न
Define matter.
Fill in the blank
All matter is made up of tiny particles called ______
Which of the following materials fall in the category of a “pure substance”?
- Ice
- Milk
- Iron
- Hydrochloric Acid
- Calcium oxide
- Mercury
- Brick
- Wood
- Air
Fill in the following blank with suitable words :
The best evidence that the particles of matter are constantly moving comes from the studies of ................. and ...................
In a beam of sunlight entering a room, we can sometimes see dust particles moving in a haphazard way in the air. Why do these dust particles move?
During respiration, glucose and oxygen enter our body cells and waste products carbon dioxide and water leave the body cells by the process of :
Name a non-metal which is a good conductor of electricity.
You are given two liquids, one a solution and the other a compound. How will you distinguish the solution from the compound ?
What is the most common way of expressing the concentration of a solution ?
Classify the following into solutions, suspensions and colloids :
Soda-water, Milk, Brine, Blood, Ink, Smoke in air, Chalk water mixture, Milk of Magnesia, Shaving cream, Muddy river water.
Which of the following is not an emulsion ?
One of the following represents the solution of solid in a solid. This one is :
Write a method to separate a mixture of sand and potash alum.
Describe the method of separating a mixture containing common salt, sand and ammonium chloride.
Explain how, impure copper sulphate can be purified by crystallisation.
Name one pair of liquids which can be separated by using a separating funnel.
All the matter made of ______.
Which of the following are homogeneous in nature?
(i) ice
(ii) wood
(iii) soil
(iv) air
Intermolecular space is maximum in ______.
Define the term matter.
