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gayaneshka [121]
3 years ago
7

Which of the following is a product when Na2O and H2O react together?

Chemistry
1 answer:
charle [14.2K]3 years ago
7 0
The correct answer is NaOH
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What type of substance is always made up of a single type if atom
Damm [24]

Answer:

An Element

Explanation:

An Element is made up of only one type of atom (Gold, Silver, etc.)

Hope this helps!

4 0
3 years ago
What Type of chemical reaction is:<br> BaCl2 + 2 AgNO3 --&gt; 2 AgCl + Ba(NO3)2
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8 0
3 years ago
Which feature of four different marine fossils makes the fossil organism most similar to the present-day organism with four limb
zvonat [6]
I found the rest of the exercise on the internet and these are the options.
"-Undifferentiated vertebrae throughout the body.
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The correct answer would be the third. - "</span>Many neck vertebrae that allow for greater mobility." The <span>present-day organism with four limbs has a neck with several vertebrae that allow movements of rotation (mostly because of only two vertebrae at the top of the neck), and side way movements, as well as back and forth movements.</span>
6 0
3 years ago
Which of the following is NOT a chemical reaction?
Damm [24]
Ice melting from water. Nothing has changed except the state of matter.
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3 years ago
What is the oxidation number of chromium in dichromate ion, cr2o72-?
castortr0y [4]
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2·x(oxidation number of Cr) + 7· (-2) = -2   2x= +12
x= +6, oxidation number of one chromium is +6.
8 0
3 years ago
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