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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
The molecules can move freely anywhere in
Solids have definite shape and definite volume.
Liquids have definite shape and definite volume.
Differentiate between an atom and a molecule.
What are the two conditions for the interconversion of states of matter ?
Name a non-metal :
- which is lustrous
- which is required for combustion
- whose one of the allotrophic forms is a good conductor of electricity. Name the allotrope.
- other than carbon which shows allotropy
- which is known to form the largest number of compounds
“Is malleable and ductile” best describes :
Calculate the concentration of a solution which contains 2.5 g of salt dissolved in 50 g of water.
Which of the following contains less solute at a given temperature and pressure ? Unsaturated solution or Saturated solution.
Name the process by which the various gases of the air are separated.
How would you separate iodine from a mixture of iodine and common salt ?
How will you separate a mixture of iron filings, chalk powder and common salt ?
Explain how, nitrogen , oxygen and argon gases are separated from air.
Which of the following mixture cannot be separated by using water as the solvent ?
Write a few lines on the blackboard with a chalk. Now observe the chalk. What changes do you see in the chalk?
Asmita went to buy an earthen pot. There she saw many things kept for sale.
How did she identify what she needed?
The property which allows the metals to be hammered into their sheets is ______.
The most reactive metal is ______.
Atoms are tiny particles that repel each other when they are squeezed very close.
Define the term matter.
