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