1) In this type of reaction, a compound is broken down into two or more simpler substances. a) Synthesis b) Single replacement c) Combustion d) Decomposition 2) Which chemical reaction can be observed when potassium chloride is formed from potassium metal and chlorine gas? a) Single replacement b) Decomposition c) Double replacement d) Synthesis 3) This reaction refers to two or more substances interacting to form a single compound. a) Synthesis b) Decomposition c) Single replacement d) Combustion 4) Which reaction refers to two ionic compounds exchanging ions to form two new ionic compounds? a) Double replacement b) Single replacement c) Double displacement d) Double ionization 5) Adding water causes carbonic acid to break down into molecules of carbon dioxide and water. What reaction does this show? a) Double replacement b) Synthesis c) Decomposition d) Single replacemen 6) In neutralization, an acid and a base can react to form water and a salt. What kind of reaction is neutralization? a) Single replacement b) Double synthesis c) Double replacement d) Synthesis 7) This is a special type of double replacement reaction in which a solid substance forms from two miscible liquids a) Solidification b) Precipitation c) Neutralization d) Combustion 8) Which is not a single replacement reaction? a) Zn+2HCl → ZnCl2+H2 b) K+NaCl → KCl+Na c) HCl+NaOH → NaCl+H2O d) 2Ag+H2S → Ag2S+H2 9) This is a kind of synthesis that releases a water molecule in the process a) Rehydration synthesis b) Dehydrogenation synthesis c) Hydrolysis d) Dehydration synthesis 10) Which chemical reaction is observed when a substance reacts with gaseous oxygen to release energy as light and heat? a) Incineration b) Inflammation c) Evaporation d) Combustion 11) What is another name for a synthesis reaction? a) Combination b) Conglomeration c) Cooperation d) Coagulation 12) In replacement reactions, metals always replace ______ and nonmetals always replace ______. a) Metals, nonmetals b) Nonmetals, metals c) Metals, metals d) Nonmetals, nonmetals 13) What kind of reaction occurs in the formation of rust from oxygen and iron? a) Single replacement b) Synthesis c) Decomposition

Types of Chemical Reaction

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