Advertisements
Advertisements
प्रश्न
Differentiate between the-two characteristics of matter – ‘mass’ & ‘weight’.
उत्तर
Mass :
- The amount of matter in a body.
- It is measured in Kilograms (kg).
Weight :
- Due to the pull of gravity on a body.
- It is measured in Newtons (N)
APPEARS IN
संबंधित प्रश्न
The inter-molecular space is maximum in
Name the processes involved in two cases.
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 ...................
Define matter. Give four examples of matter.
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 :
Give reason why copper metal is used for making electric wires.
What is meant by (i) elements (ii) compounds, and (iii) mixtures ?Write down the names of two elements, two compounds and two mixtures.
The property/properties which enable copper metal to be used for making electric wires is/are :
You have been given a suspension and a solution. How could you tell the difference between them by their appearance ?
Which of the following will show Tyndall effect ? Why ?
- Salt solution
- Starch solution
- Milk
- Copper sulphate solution
One of the following liquids will leave behind a residue on heating. This one is :
What type of magnet is fitted on a crane to separate scrap iron objects from a heap of waste materials in factories ?
How will you separate a mixture containing sand and sugar ?
Describe a method to separate a mixture of common salt and sand.
Describe a method to separate a mixture of camphor and sand.
The boiling point of liquid argon is :
Seema visited a Natural Gas Compressing Unit and found that the gas can be liquefied under specific conditions of temperature and pressure. While sharing her experience with friends she got confused. Help her to identify the correct set of conditions
Atoms or groups of atoms having a charge are called ______.
______ is so hard that it can scratch glass.
Compressibility of solids: ______.
