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