A) two of the answers are correct B) small molecules come together C) none of the answers are correct D) large molecules are broken apart
A) energy is given off B) energy is needed C) two of the answers are correct D) no answer is c
A) two of the answers are correct B) none of the answers are correct C) energy is needed D) energy is given off
A) growing of hair B) cutting a piece of wood with a saw C) baking a cake D) a car rusting
A) a chemical reaction in which electrons are transferred to an atom from other elements B) a chemical reaction in which an electron is destroyed C) a chemical reaction in which an electron is made D) a chemical reaction in which an atom accepts electrons while combining with other elements
A) a chemical reaction in which an electron is destroyed B) a chemical reaction in which an electron is made C) a chemical reaction in which electrons are transferred to an atom from other elements D) a chemical reaction in which an atom accepts electrons while combining with other elements
A) precipitation B) depolymerization C) polymerization D) solution
A) alkanes B) none of the answers are correct C) petroleum D) acids and bases
A) hydrocarbon B) acid C) plastic D) base
A) hydrocarbon B) base C) acid D) plastic
A) acids have less H^+ ions pure letter than pure water B) all of the answers are correct C) bases have more H^+ ions than pure water D) pure water has 10-7 moles/L of H^+ ions
A) depolymerization B) hydrocarbonization C) polymerization D) acidic/basic reactions
A) hydrogen and oxygen B) carbon and hydrogen C) carbon and oxygen D) carbon, oxygen and hydrogen
A) help in acid and base reactions B) are easily burned and used for fuels C) length and shape affects the melting points D) two of the answers are correct
A) a cell that has an equal concentration on the inside as well as the outside of it B) a different form of an atom C) a molecule that is all by itself D) none of the answers are correct |