Answer:
Since pH is a logarithmic scale, a difference of one pH unit is equivalent to a tenfold difference in hydrogen ion concentration. ... Pure water and a solution of NaCl in pure water are both neutral, since dissociation of water produces equal numbers of both ions.
Explanation:
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Explanation:
When two or more substances mix together but they do not combine chemically with each other then it is known as a mixture.
For example, sand in water is a mixture.
Mixtures can be separated by physical processes like filtration, fraction distillation etc.
Also, when a substance is soluble in another liquid then the substance is known as solute whereas the liquid is known as solvent.
A solute is always present in less quantity as compared to the solvent in a solution.
For example, gelatin powder is dissolved in hot water. Here, gelatin is the solute and hot water is the solvent.
Therefore, we can conclude that the following statements are true.
- Mixtures can be broken apart by physical processes.
- Gelatin powder is dissolved in hot water.
Answer:
YES
Explanation:
The systematic study of the structure and behavior of the physical and natural world through observation and experiment.
Answer:
<em>A supersaturated solution that undergoes a physical shock can result in the crystallizing of the solute in the solution.</em>
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Explanation:
A solution is made up of a solute dissolved in a solvent. <em>A supersaturated solution is one in which the solvent holds more of the solute that it can hold in a normal condition</em>. Supersaturation is an unstable state than easily reverse itself. At supersaturation, the maximum ability of the solvent to dissolve and hold the solute is stretched to its maximum limit. Physical shock to such a system in any any form possible will result in the crystallization of the solute within the solution. <em>Physical shock can be in the form of a reduced temperature, a reduction in the volume of the solvent by evaporation, a decrease in the pressure of the system and even a mild vibration</em>.