A) none of the answers are correct B) large molecules are broken apart C) small molecules come together D) two of the answers are correct
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) two of the answers are correct D) energy is needed
A) cutting a piece of wood with a saw B) baking a cake C) growing of hair 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 made C) a chemical reaction in which an electron is destroyed D) a chemical reaction in which an atom accepts electrons while combining with 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 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) solution B) depolymerization C) precipitation D) polymerization
A) acids and bases B) none of the answers are correct C) alkanes D) petroleum
A) hydrocarbon B) base C) acid D) plastic
A) plastic B) base C) acid D) hydrocarbon
A) acids have less H^+ ions pure letter than pure water B) all of the answers are correct C) pure water has 10-7 moles/L of H^+ ions D) bases have more H^+ ions than pure water
A) polymerization B) acidic/basic reactions C) hydrocarbonization D) depolymerization
A) carbon, oxygen and hydrogen B) hydrogen and oxygen C) carbon and hydrogen D) carbon and oxygen
A) length and shape affects the melting points B) two of the answers are correct C) are easily burned and used for fuels D) help in acid and base reactions
A) a cell that has an equal concentration on the inside as well as the outside of it B) none of the answers are correct C) a different form of an atom D) a molecule that is all by itself |