I believe the correct answer is C. <span>Zn + CuCl2 —> ZnCl2 + Cu</span>
Answer:
It represents the <em>number of atoms</em> of that particular element present in the compound. In C₂H₄O₂ there are 2 Carbon atoms, 4 Hydrogen atoms and 2 Oxygen atoms.
When a fuel burns, it combines with oxygen int the air and changes into the substances water and carbon dioxide. That's how Flammability is a chemical property.
Answer:
5 reasons to be grateful of your teachers for is
-->They open our minds to new possibilities. ...
-->They work very hard for us. ...
-->They never give up on us. ...
-->They turn our weaknesses into strengths. ...
-->They are our best guides. ...