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allsm [11]
3 years ago
10

ANSWER THIS AND YOU WILL BE THE BRAINEST!!!!!!!

Chemistry
1 answer:
Alenkasestr [34]3 years ago
5 0
<h3>Answer:</h3>

               Option-B (Halide; oxide) is the correct answer.

<h3>Explanation:</h3>

                  <em> Halides</em> are those substances which contains negatively charged halide ion i.e. X⁻.

Examples:  F⁻ (Fluoride) , Cl⁻ (Chloride) , Br⁻ (Bromide) , I⁻ (Iodide) e.t.c.

                   <em>Oxides </em>are those substances which atleast containn one Oxygen atom.

Examples:  FeO (Iron Oxide), Cr₂O₃ (Chromium Oxide)

                   <em>Silicates</em> are those anionic substances which contains silicon and oxygen with general formula  [SiO. 4−x] n.

Examples: [SiO₄]⁻⁴ (Nasosilicate) , [Si₂O₇]⁻⁶ (Sorosilicates)

                   <em>Carbonates </em>are those substances which contains carbonate anion i.e. CO₃²⁻.

Examples:  Na₂CO₃ (Sodium Carbonate) , MgCO₃ (Magnesium Carbonate)

<h3>Conclusion:</h3>

                   As in NaCaAlF, F⁻ is present hence, it is an Halide and the presence of O in FeCrO makes it Oxide.

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At which temperature would a can of soda be most fizzy when it is opened?
kati45 [8]
Answer: at higher temperatures.
Justification:

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timofeeve [1]
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3 years ago
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Alika [10]
The claim is that NaCl mixture is a homogeneous mixture.
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First, we need to prepare one molar solution of NaCl. To do so, we will dilute a mass of 58.44 grams (molar mass of NaCl) in 1 liter of water.
By this, we will have NaCl solution.

We can notice that once the NaCl is diluted in water, all what you can see is a clear solution. You cannot see the separate particles of NaCl in water.
..............> observation I

Now, we will heat this solution until it boils and water starts evaporating. We will place a cold surface above the steam coming out from the boiling solution.

What we will observe is that when all the water evaporates, we can see white precipitate of NaCl in the bottom of the container. Examining the cold surface placed above the steam, we can see that the water has condensed on this surface.
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Based on this, we managed to use boiling, evaporation and condensation (physical methods) to restore the components of the solution separately.
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3 years ago
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MA_775_DIABLO [31]
1 is b
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