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प्रश्न
Does the solubility of a substance change with temperature? Explain with the help of an example.
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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:-
Glucose
Name three non-metals/radicals which have valency -1, -2, and -3.
State Dalton’s atomic theory.
How did Neils Bohr visualise the atom ?
Name the particle or particles you would expect to find in :
The orbit of an atom
Define: An Atom:
Fill in the following blanks with suitable words :
In water, the proportion of oxygen and hydrogen is .............. by mass.
How many atoms are there in exactly 12 g of carbon-12 element ? (C = 12 u)
In what respects do the three isotopes of hydrogen differ? Give their structures.
Name the gas that.
Turns moist starch iodide paper blue black.
State the meaning of the term – (a) atom, (b) molecule, (c) radical – with a suitable example.
The smallest particle of matter that can exist by itself is ______.
Define the following term with an example.
Element
Define the following term with an example.
Compound
A change in the physical state can be brought about
Write any two observations which support the fact that atoms are divisible.
An atom of Oxygen (O) and two atoms of hydrogen (H.) combine to form a molecule of ______.
What are the 3 most abundant atoms on the earth?
A small block slides down on a smooth inclined plane, starting from rest at time t = 0. Let Sn be the distance travelled by the block in the interval t = n – 1 to t = n. Then, the ratio `S_n/(S_(n + 1))` is ______.
