Switching one substance for another is called..?

a) displacement
b) synthesis
c) decomposition
d) oxidation

Which of the following is always a reactant in a combustion reaction? oxygen nitrogen hydrogen carbon

Many pharmaceutical drugs are organic compounds that were originally synthesized in the laboratory. which two scientific disciplines are bridged by pharmaceutical drugs? chemistry and forensics chemistry and medicine biology and forensics biology and criminology

11) burning your hand when accidentally touching a hot plate is an example of which heat transfer? a. conduction b. convection c. radiation d. none of these