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When a gas is released from a chemical reaction:
Lavoisier’s Law.
All of the above.
The total mass of reactants is equal to that of the products.
The change in shape (form), size and state of a substance without modification in the identity of a substance.
Physical Change.
All of the above.
The change in the identity of a substance.
Chemical Change.
Physical change is:
Lavoisier’s Law.
All of the above.
The total mass of reactants is equal to that of the products.
The change in shape (form), size and state of a substance without modification in the identity of a substance.
Physical Change.
All of the above.
The change in the identity of a substance.
Chemical Change.
The action of vinegar on chalk is a:
Lavoisier’s Law.
All of the above.
The total mass of reactants is equal to that of the products.
The change in shape (form), size and state of a substance without modification in the identity of a substance.
Physical Change.
All of the above.
The change in the identity of a substance.
Chemical Change.
Signs on the occurrence of chemical reactions are:
Lavoisier’s Law.
All of the above.
The total mass of reactants is equal to that of the products.
The change in shape (form), size and state of a substance without modification in the identity of a substance.
Physical Change.
All of the above.
The change in the identity of a substance.
Chemical Change.
The evolution of air bubbles when water is heated is an indication of:
Lavoisier’s Law.
All of the above.
The total mass of reactants is equal to that of the products.
The change in shape (form), size and state of a substance without modification in the identity of a substance.
Physical Change.
All of the above.
The change in the identity of a substance.
Chemical Change.
Breaking glass is a:
Lavoisier’s Law.
All of the above.
The total mass of reactants is equal to that of the products.
The change in shape (form), size and state of a substance without modification in the identity of a substance.
Physical Change.
All of the above.
The change in the identity of a substance.
Chemical Change.
During a chemical reaction, mass is conserved. This is:
Lavoisier’s Law.
All of the above.
The total mass of reactants is equal to that of the products.
The change in shape (form), size and state of a substance without modification in the identity of a substance.
Physical Change.
All of the above.
The change in the identity of a substance.
Chemical Change.
Chemical change is:
Lavoisier’s Law.
All of the above.
The total mass of reactants is equal to that of the products.
The change in shape (form), size and state of a substance without modification in the identity of a substance.
Physical Change.
All of the above.
The change in the identity of a substance.
Chemical Change.
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