Advertisements
Advertisements
प्रश्न
Write your observation and conclusion for the following:
When few marbles are put in a glass half-filled with water.
उत्तर
Take some marbles and put them into the water of glass tumbler one by one. After some time you will notice that water level crosses the mark and rises. This is because the marbles occupy space. Again weigh the glass with the marbles. You will find that the second mass is greater than the first one. This proves that marbles have mass.
This proves that the matter has mass and occupies space.
APPEARS IN
संबंधित प्रश्न
Define Intermolecular space.
Classify the following into solids, liquids and gases.
Oxygen, milk, common salt, wax, stone, water vapour, carbon-dioxide, sugar, mercury, coal, blood, butter, copper, coconut oil, kerosene.
Why do solids, liquids and gases differ in their physical states?
Select the correct alternative
The diameter of a molecule is approximately
Identify the odd term out and explain.
Give two examples.
Solid element
Describe simple experiment to show that particles of matter have the intermolecular attraction
Fill in the blank:
Matter made up of one kind of particle is said to be _________.
Give a reason for the following:
Globules of mercury kept in a petri dish, which is shaken slowly, come together forming a big globule.
Write scientific reason.
Lemon sherbat has sweet, sour and salty taste and it can be poured in a glass.
