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