Which does NOT demonstrate the law of conservation of matter?
(1 point)
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CH4 + 2 O2→CO2 + 2 H2O
NaOH + HCl→NaCl + H2O
2 NO2 + H2O→HNO3 + HNO2
PbO + C→2 Pb + CO2
Answers
The one among the options that does not demonstrate the law of conservation of matter is PbO + C --> 2Pb + CO2
For better understanding, we have to explain what the law of conservation of matter is:
The law of conservation of matter is simply refered to as when a chemical reaction is taking place, matter is neither created or destroyed, the said matter may change from one form to another, but it will still have the same number of atoms before and after the changes take place.In any chemical reaction, the terms associated with it include;
The reactant is simply known as the substances that exist there before the chemical reaction took place. The product is known as the new substance after the chemical reaction has already taken place. The molecule is commonly defined as the tiniest or smallest unit of a compound that is when two atoms joined together chemically.From the equation above, we can see that the atom number increases that is, new molecules not from the original one is added or formed.So therefore, from the above, we can say that the equation above does not demostrate the law of conservation of matter.
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[tex]\huge\mathcal\color{Green}Answer[/tex]
The process of separating heavier and lighter components of a mixture by wind or by blowing air is called winnowing.
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