Advertisements
Advertisements
प्रश्न
Define matter. Give four examples of matter.
Advertisements
उत्तर
Matter: Anything that occupies space and has mass is known as matter. The examples of matter are iron, wood, air and water.
APPEARS IN
संबंधित प्रश्न
Define matter.
Name the terms for the change of a solid into liquid.
Name two processes which provide the best evidence for the motion of particles in matter.
Name the property which enables metals to be drawn into wires.
What is meant by saying that metals are sonorous ?
Fill in the following blanks with suitable words :
Brass is an alloy which is considered a ..............
The three important metalloids are.............................. and ..........................
How much water should be mixed with 12 mL of alcohol so as to obtain 12 % alcohol solution ?
What happens when the temperature of a saturated sugar solution is increased ?
How will you test whether a given solution is a colloidal solution ?
Which of the following are chemical changes and which physical ? Give reason.
- a glass bottle breaking
- coal burning in air
- making a cake
- wool being knitted into a sweater
Which of the following is not an emulsion ?
Write a method to separate a mixture of sand and potash alum.
Explain how, nitrogen , oxygen and argon gases are separated from air.
The dyes present in fountain pen ink can be separated by the technique of :
The best way to recover sugar from an aqueous sugar solution is :
Explain the meaning of the term matter with special reference to the term ‘substance’.
______ is a smallest particle.
Higher the temperature, the higher the kinetic energy of particles.
Solids do not flow.
