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