CHEMISTRY MIDDLE SCHOOL

Which term refers to the process by which ions that have entered solution are kept in solution?dissociation
electrolyte
hydration
ionization

Answers

Answer 1
Answer:

Answer : The correct option is, hydration

Explanation :

Hydration : It is a process in which the ion or substance combines with water and kept in the solution. In the hydration process the solvent is water molecule.

For example : When the sodium chloride is dissolved in the water then the positive sodium ion get surrounded by the water molecule through their oxygen ends and the negative chloride ion get surrounded by the water molecule through their hydrogen ends.

NaCl+H_2O\rightarrow NaOH+HCl

Dissociation : It is a process in which the compound splits or dissociates into to two or more smaller ions, atoms or particles.

Electrolyte : it is a process in which the a molecule is completely dissociates into their respective ions in the aqueous solution.

Ionization : It is a process in which a molecule acquire a positive or negative charged by the gaining or losing electrons.

Hence, the correct option is, hydration.
Answer 2
Answer:

Answer:

c. hydration

Explanation:

edge 2021

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How do we separate sugar solution with sand

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A sugar solution with sand can be separated by dissolving the solution into water, then the sugar will be dissolved with the water and the sand will stay on the bottom of the water.
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List five physical properties?

Answers

Some examples of physical properties are:

color (intensive)

density (intensive)

volume (extensive)

mass (extensive)

boiling point (intensive): the temperature at which a substance boils.

melting point (intensive): the temperature at which a substance melts.
Physical Properties are used to describe how something is. Examples include:

1. Color
2. Shape
3. Size
4. Density
5. Melting/ Boiling point
6. Ordor

Physical changes: occur when matter changes form but not composition (Ex: ice is still H2O). Examples of physical change are:

1. Phase Change (Boiling, melting, freezing, etc.)
2. Size and/ or shape change
3. Dissolving
4. No Color Change (Except dyes)

What is the order of epoch eon era and period from big to small? From largest to smallest Eon, Era, Period, Epoch.

Answers

smallest to largest: epoch, period, era, eon

Does a human body use neon???

Answers

 No uses regarding the human body; it's a noble gas and does not react with anything.

2 The change in the velocity of an object is defined as its​

Answers

Answer:

Acceleration is the rate of change in velocity

Answer:

The rate of change of velocity of an object is defined as its acceleration

A squirrel and an oak tree are both examples of individual:Genes
Organism
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Ecosystems
Other:

Answers

Answer:

it's b:organism

Explanation:

Answer:

A squirrel and an oak tree are both examples of individual organisms

Hope I Helped You!!!

 

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