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ElenaW [278]
3 years ago
12

What is observed when an iron bar is

Chemistry
1 answer:
bija089 [108]3 years ago
5 0
Answer:
b). of copper (II) sulfate

I hope this helped :)
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Answer:hey man am sorry but have you tried to search it up

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4 0
2 years ago
Which of the following is a characteristic property of ionic compounds? A.They have low melting points. B.They form hard, brittl
ziro4ka [17]

Answer:

the answer is d

Explanation:

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6 0
3 years ago
Những oixt nào sau đây Na2O CO2 ZnO N2O5, oxit nào tác dụng đc với<br> a.H2O b.HNO3 c.KOH
MrRissso [65]
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5 0
3 years ago
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Layers of rock that bend can produce a downward fold known as a(n)
Schach [20]
Layers of rock that bend can produce a downward fold known as a syncline. 

This is the type of fold that occurs with the younger layers of rocks remaining closer to the center of the structure. Synclines can be recognized by the fact that the youngest layers of rocks always remain near the folds center.  

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8 0
3 years ago
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The melting point of phenol is 40.5∘C and that of toluene is −95∘C. What is the best explanation for this difference? Select the
romanna [79]

Answer:

None of the above

Explanation:

The (−OH) group on phenol can form hydrogen bonds, and the −CH3 group on toluene cannot.

Phenol has only one hydrogen on the −OH group available to form hydrogen bonds, so the hydrogen bond is stronger. In toluene, the hydrogen bond is spread over all three hydrogens on the methyl group, so the interaction is weaker overall.

Phenol has a higher molecular mass than toluene.

3 0
3 years ago
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