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