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Chemistry
EOF exams
Question | Answer |
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Iron | is a silver solid at room temperature. Iron will conduct electricity however not as well as copper. Iron is a metal. |
Oxygen | is a non metal and is unable to conduct electricity. |
Sulfur | is a yellow solid a is a colourless gas at room temperature. Oxygent room temperature. Sulfur is a non metal and is unable to conduct electricity. |
Chlorine | is a yellow/green gas at room temperature. It is also a non metal and is unable to conduct electricity |
Copper | is a pink, solid at room temperature. Copper is a very conductive metal so it is used it most electrical wiring. |
Discuss factors that affect the rate of a chemical reaction The rate of a reaction increases if: | the temperature is increased the concentration of a dissolved reactant is increased solid reactants are broken into smaller pieces a catalyst is used |