1) Which of these describes what goes INTO a chemical reaction? a) products b) reactants c) oxidation d) combustion e) subscripts f) coefficients 2) Which of these describes the reaction between oxygen, water and iron (forms rust)? a) products b) reactants c) oxidation d) combustion e) subscripts f) coefficients 3) Which of these describes the reaction that combines fuel and oxygen and then releases CO2 and water? a) products b) reactants c) oxidation d) combustion e) subscripts f) coefficients 4) Which of these describes what comes out or is produced of a chemical reaction? a) products b) reactants c) oxidation d) combustion e) subscripts f) coefficients 5) Which number tells you the number of atoms of an element within a chemical formula? a) products b) reactants c) oxidation d) combustion e) subscripts f) coefficients 6) Which number tells you the number of molecules/compounds within a chemical formula? a) products b) reactants c) oxidation d) combustion e) subscripts f) coefficients 7) This is what the arrow means in a chemical reaction. a) catalyst b) endothermic c) exothermic d) yields or produces e) law of conservation of matter 8) This speeds a reaction up without changing the reaction products. a) catalyst b) endothermic c) exothermic d) yields or produces e) law of conservation of matter 9) This reaction releases heat and ends up with a cold product. a) catalyst b) endothermic c) exothermic d) yields or produces e) law of conservation of matter 10) This reaction absorbs heat and ends up with a hot product. a) catalyst b) endothermic c) exothermic d) yields or produces e) law of conservation of matter 11) This means that what goes in...must come out. a) catalyst b) endothermic c) exothermic d) yields or produces e) law of conservation of matter
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Chemical Reactions
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