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प्रश्न
Fill in the following blanks with suitable words :
An element is made up of only one kind of ........
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उत्तर
An element is made up of only one kind of atoms.
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संबंधित प्रश्न
The molecules can move freely anywhere in
What are the two conditions for the interconversion of states of matter ?
Fill in the blank
Any matter which has a definite _______ but no definite shape is called a _______
Classify the following into elements and compounds :
- H2O
- He
- Cl2
- CO
- Co
Name two solid, two liquid and two gaseous elements at the room temperature.
Draw a flow-chart for the schematic representation of different types of matter.
What is the name of the clear liquid formed when a solid dissolves in a liquid ?
State whether colloidal solutions are homogeneous or heterogeneous.
What happens when the temperature of a saturated sugar solution is increased ?
What is the difference between solutions and colloids ?
Which of the following represents the solubility of sugar in water at 20°C ?
Fill in the following blanks with suitable words :
Immiscible liquids are separated by using a .....................
How will you separate iron pins from sand ?
How will you separate water from mustard oil ?
What difference in the properties of common salt and sand would enable you to separate a mixture of these two substances ?
Write a few lines on the blackboard with a chalk. Now observe the chalk. What changes do you see in the chalk?
Matter is made up of ______.
The phenomenon of Evaporation takes place at the ______ of a liquid.
Define the term matter.
