Grade 8 Basic Chemistry Test Part 3: Chemical Interactions
4 = ALL 22 correct
3.5 = 20-21 correct
3 = 18-19 correct
2.5 = 15-17 correct
2 = 11 -14 correct
1.5 = 7-10 correct
1 = 0-6 correct
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III. Chemical Interactions
1. Recognize the different types of chemical reactions.
a) exothermic vs. endothermic
b) synthesis, decomposition, single replacement, double replacement
2. Know the different types of chemical bonds.
a) ionic
b) covalent
c) metallic
3. Understand how increasing surface area, stirring, and increasing temperature affect the rate of dissolving.
4. Recognize the relationship between volume of solvent and the amount of solute that can be dissolved in it.
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