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प्रश्न
Fill in the following blanks with suitable words :
If a mixture contains iron filings as one of the constituents, it can be separated by using a .......................
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उत्तर
If a mixture contains iron fillings as one of the constituents, it can be separated by using a magnet.
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संबंधित प्रश्न
Liquids have definite shape and definite volume.
Which of the following materials fall in the category of a “pure substance”?
- Ice
- Milk
- Iron
- Hydrochloric Acid
- Calcium oxide
- Mercury
- Brick
- Wood
- Air
What are the conditions for 'something' to be called 'matter'?
When a crystal of potassium permanganate is placed in a beaker, its purple colour spreads throughout the water. What does this observation tell us about the nature of potassium permanganate and water?
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?
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 :
Name a non-metal which is a good conductor of electricity.
Name one solid, one liquid and one gaseous non-metal.
State any two properties for believing that aluminium is a metal.
Draw a flow-chart for the schematic representation of different types of matter.
Classify the following into true solutions and colloidal solutions:
Ink, Salt solution, Starch solution, Blood, Sugar solution
Explain what happens when a beam of light is passed through a colloidal solution.
How will you separate a mixture of iron filings, chalk powder and common salt ?
Asmita went to buy an earthen pot. There she saw many things kept for sale.
From what substance has the potter made all the things?
Which of the following are homogeneous in nature?
(i) ice
(ii) wood
(iii) soil
(iv) air
Solids do not flow.
Examples of foam are ______.
Define the term matter.
Define the term matter.
Define the term matter.
