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Wewaii [24]
3 years ago
8

1.If we can see something, it MUST be matter. true or false

Chemistry
2 answers:
sasho [114]3 years ago
5 0

Answer:

False

Explanation:

an example of this would be a rainbow, and a reflection

Hope this helps

weeeeeb [17]3 years ago
3 0

Answer:

False

Explanation:

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As we know Benzene undergo Electrophilic Substitution Reactions. In case of substituted Benzene the incoming Electrophile is substituted either at <em>Orto , Para</em> position or <em>Meta</em> position. If the substituent is Electron Withdrawing in Nature then the Electrophile will go to <em>meta</em> position. When the substituent id Electron Donating in Nature then the incoming electrophile will be directed to <em>ortho</em> and <em>para</em> position.

In Benzenesulfonic Acid the substituent is Sulfonate (-SO₃H), it has a strong electron withdrawing effect. So on Nitration the Nitro group will be oriented to <em>meta</em> position and 3-nitrobenzenesulfonic acid is formed. On further Nitration 3-nitrobenzenesulfonic acid will be convert to <span>3,5-dinitrobenzenesulfonic acid because both Sulfonate and Nitrate groups are <em>meta</em> directing.</span>

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3 years ago
Total water content in the earth remains constant. comment upon the following​
NARA [144]

Answer:

The total water content in the earth remains nearly constant.

Explanation:

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  • When the UV light breaks the water molecules in higher atmosphere, some water is lost.But it is compensated by the water that enters the earth through meteors and comets.
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