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aalyn [17]
2 years ago
13

Which element is one of the most abundant in both solid parts of earth and in living matter?.

Chemistry
1 answer:
SVEN [57.7K]2 years ago
7 0

carbon, hydrogen, oxygen, and nitrogen are the most important elements!
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The question is in the picture below.
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The correct option is A.
An oxidation reaction is one in which a substance gives away electrons and becomes oxidized. In the equation given above, the chlorate ion undergoes oxidation reaction and gives away two chlorine ion.
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3 years ago
It’s is the same one from my recent ones
UkoKoshka [18]
<h2>9. Given : P + O2 = P2O5</h2>

Balanced Chemical Equation: <u>4</u>P + <u>5</u>O2 = <u>2</u>P2O5

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Reaction Information

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Reaction Type: <u>Synthesis</u>

<h2>10. Given: HCl + NaOH = NaCl + H2O </h2>

<u>Reactant Product</u>

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<h3>Chemical Equation is already in balance.</h3>

Reaction Information<em>:</em><em> </em><em>Hydrogen Chloride </em>+ <em>Sodium Hydroxide</em> = <em>Sodium Chloride </em>+ <em>Water</em>

Reaction Type<u> </u><u>:</u><u> </u><u>Double Displacement (Acid-Base)</u>

<h3>For more info:</h3>

<u>How to balance chemical equation?</u>

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3 years ago
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