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प्रश्न
Does the solubility of a substance change with temperature? Explain with the help of an example.
उत्तर
Yes, the solubility of a substance changes with temperature. It generally increases with temperature. More sugar can be dissolved in hot water as compared to cold water.
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संबंधित प्रश्न
Write the names of the elements present in the:-
Ammonia
Define: Ions
What does an atom consist of ? Explain.
What is the maximum number of electrons present in:
1. first shell
2. second shell
3. third shell and
4. fourth shell
Who originated the word ‘atom’ ?
What does the word ‘atom’ mean?
State Dalton’s atomic theory.
A certain particle ‘X’ has 17 protons, 18 electrons and 20 neutrons.
What is such a particle called ?
Fill in the blank
An _______ is electrically neutral.
What is the usual symbol for (a) and electron (b) a proton, and (c) a neutron?
Is it possible to see atoms these days ? Explain your answer.
What is the contribution of the following in atomic structure?
Maharshi Kanada
In what respects do the three isotopes of hydrogen differ? Give their structures.
Select the correct answer to the statement given below:
Imaginary path around the nucleus of an atom in which electrons revolve.
The basic unit of matter is ______.
The number of atoms present in a molecule is called its ______.
The most abundant type of atom is the universe is ______.
Lead is also known as plumbum.
