unds.
--> a. true b. false
during a chemical reaction
--> a) chemical bonds break. b) matter is destroyed. c) new atoms form. d) two of the above
which of the following represents a synthesis reaction?
--> a) 2h2 + o2 2h2o b) 2k + 2h2o 2koh + h2 c) 2nacl 2na + cl2 d) none of the above
which type of reaction is represented by the following chemical equation? ch4 + 2o2 co2 + 2h2o
--> a) combustion reaction b) decomposition reaction c) single replacement reaction d) double replacement reaction
No diagram questions associated with this lesson