A) two of the answers are correct B) none of the answers are correct C) large molecules are broken apart D) small molecules come together
A) energy is needed B) energy is given off 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) a car rusting B) growing of hair C) baking a cake 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 electron is made C) a chemical reaction in which an atom accepts electrons while combining with other elements D) a chemical reaction in which electrons are transferred to an atom from other elements
A) a chemical reaction in which an atom accepts electrons while combining with other elements 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 electron is destroyed
A) polymerization B) precipitation C) solution D) depolymerization
A) alkanes B) petroleum C) acids and bases D) none of the answers are correct
A) base B) acid C) hydrocarbon D) plastic
A) acid B) plastic C) base D) hydrocarbon
A) all of the answers are correct B) pure water has 10-7 moles/L of H^+ ions C) bases have more H^+ ions than pure water D) acids have less H^+ ions pure letter than pure water
A) acidic/basic reactions B) polymerization C) depolymerization D) hydrocarbonization
A) carbon and hydrogen B) hydrogen and oxygen C) carbon and oxygen D) carbon, oxygen and hydrogen
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) 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 |