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V125BC [204]
3 years ago
8

Is quartz(SiO2) a substance or mixture?

Chemistry
1 answer:
Illusion [34]3 years ago
8 0
Quartz is a substance because the material has uniform properties throughout and is held together via chemical bonds.
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List three conditions for separating crude oil constituents pls someone help me out ​
Alborosie

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All refineries have three basic steps: separation, conversion and treatment. During the separation process, the liquids and vapors separate into petroleum components called factions based on their weight and boiling point in distillation units.

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2 years ago
What is the correct ionic formula when mg2+ and p3− react?
Mumz [18]

Answer: Ionic formula will be Mg_3P_2.

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Here Mg^{2+} is a metal and P^{3-} is a non-metal.

The net charge on any compound must be 0.

So we need 2 phosphate ions to balance the charge on Mg^{2+} ions. Similarly we need 3 Magnesium ions to balance the charge on P^{3-} ions.

Criss-crossing the charges, we will get the formula as Mg_3P_2

Criss-crossing is shown in the image below.

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Eddi Din [679]
The solvent is usually referred to as the component of a solution which is present as the one with the larger quantity and in most cases as the liquid which dissolves a solid. In a solution, there are two components namely the solvent and the solute. The solute is the one in smaller amount.
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