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