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soldier1979 [14.2K]
2 years ago
14

Describe a chemical test for water-

Chemistry
1 answer:
Mila [183]2 years ago
6 0

Answer:

Anhydrous copper (II) sulphate is white because it has no water in it. When drops of water are added, copper (II) sulphate turns blue. This colour change can be used to detect the presence of water (or water vapour).

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BigorU [14]
My educated guess should be the 3rd one
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Which sentence from A Girl from Yamhill best illustrates the author's use of sensory language? (A) I was not afraid and did not
oksano4ka [1.4K]

Answer:

D

Explanation:

This sentence has the most sensory details or details giving more description of the 5 senses.

Hope this helps :)

6 0
4 years ago
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What are the reasons for existence of large number of organic compounds in nature.Explain ​
Law Incorporation [45]

Answer:

because of catenation of carbon.

Explanation:

Catenation is the binding of an element to its self through covalent bonds to form chain or ring molecules. carbon is able to form continuous links with other carbon atoms which is the reason for the existence of a large number of organic compounds.

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3 years ago
What is matter?
belka [17]
A Anything that has mass and takes up space
4 0
3 years ago
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How does a phase change from solid to liquid occur in a substance?
Alex

Answer:

see below

Explanation:

1. Heat energy is added to the substance, weakening the electrical attraction between molecules.

2. Both the melting point and boiling point are lower.

3. dipole

4. Water and ethanol have different molecular structures.

5. The lone pairs of electrons in the oxygen atom causes the molecule to be bent; the oxygen atom has a partial negative charge, while the hydrogen atoms have partial positive charges.

[quizlet: captncrun]

4 0
3 years ago
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