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