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प्रश्न
Fill in the following blanks with suitable words :
Brass is an alloy which is considered a ..............
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उत्तर
Brass is an alloy, which is considered as mixture.
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संबंधित प्रश्न
Differentiate between an atom and a molecule.
Fill in the blank :
The state of matter with definite volume and definite shape is called______
Fill in the following blank with suitable words :
The best evidence that the particles of matter are constantly moving comes from the studies of ................. and ...................
The best evidence for the existence and movement of particles in liquids was provided by :
An inflated balloon full of air goes down slowly (becomes smaller and smaller slowly) even though the knot at the mouth of the balloon is airtight. And after a week all the air has escaped from the balloon. Explain how the air particles got out of the balloon.
Name a non-metal which is a good conductor of electricity.
Name two solid, two liquid and two gaseous elements at the room temperature.
Choose the correct answer.
A 15% alcohol solution means :
In what respects does a true solution differ from a colloidal solution ?
Classify the following into true solutions and colloidal solutions:
Ink, Salt solution, Starch solution, Blood, Sugar solution
Which one of the following is not a chemical change ?
Name the process which can be used to recover salt from an aqueous salt solution.
Describe a method to separate a mixture of common salt and sand.
Explain how, nitrogen , oxygen and argon gases are separated from air.
The dyes present in fountain pen ink can be separated by the technique of :
The best way to recover sugar from an aqueous sugar solution is :
Explain the meaning of the term ‘matter’.
Liquids cannot be compressed and they have fixed volume.
Higher the temperature, the higher the kinetic energy of particles.
Define the term matter.
