Tag Archives | measuring

How to measure distances in the universe ?

There are billions of stars in the universe. In addition, there are innumerable other heavenly bodies such as planets, asteroids, noons, etc. These various heavenly bodies in the universe are separated by very large distances. These distances are so large that the ordinary units of length fall extremely small for measuring them.

How is the concentration of a solution measured ?

In chemistry, most reactions are carried out in solutions. In order to perform calculation, it is necessary to know concentrations of the solutions. The quantity of solute dissolved in a given mass or volume of the solution or the solvent is called concentration of the solution.

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