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