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प्रश्न
Fill in the following blanks with suitable words :
A mixture of kerosene and petrol can be separated by .....................
उत्तर
A mixture of kerosene and petrol can be separated by fractional distillation.
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संबंधित प्रश्न
Fill in the blank :
The state of matter with definite volume and definite shape is called______
Define the following term of Atom .
State two characteristics of matter demonstrated by Brownian motion.
Honey is more viscous than water. Can you suggest why?
When extremely small particles X derived from the anther of a flower were suspended in a liquid Y and observed through a microscope, it was found that the particles X were moving throughout the liquid Y in a very zig-zag way. It was also observed that warmer the liquid Y, faster the particles X moved on its surface.
- What could particles X be ?
- What do you think liquid Y is ?
- What is the zig-zag movement of X known as ?
- What is causing the zig-zag movement of particles X ?
- Name the scientist who discovered this phenomenon.
- What does this experiment tell us about the nature of liquid Y?
“Is malleable and ductile” best describes :
Which of the two will scatter light : soap solution or sugar solution ? Why ?
Choose the correct answer.
A 15% alcohol solution means :
Which of the following contains less solute at a given temperature and pressure ? Unsaturated solution or Saturated solution.
Which technique can be used to detect and identify traces of poison present in the stomach wash of a person ?
How would you separate iodine from a mixture of iodine and common salt ?
What is chromatography ? State its two applications.
Explain how, nitrogen , oxygen and argon gases are separated from air.
The property which allows the metals to be hammered into their sheets is ______.
Name the metals that are used in jewellery.
Liquids have ______.
The physical state of water at 373 K is ______.
Atoms are tiny particles that repel each other when they are squeezed very close.
Define the term matter.
Define the term matter.
