A) none of the answers are correct B) two of the answers are correct C) large molecules are broken apart D) small molecules come together
A) energy is given off B) energy is needed C) two of the answers are correct D) no answer is c
A) energy is needed B) two of the answers are correct C) none of the answers are correct D) energy is given off
A) growing of hair B) a car rusting C) baking a cake D) cutting a piece of wood with a saw
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 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) precipitation B) solution C) polymerization D) depolymerization
A) alkanes B) petroleum C) none of the answers are correct D) acids and bases
A) plastic B) hydrocarbon C) base D) acid
A) hydrocarbon B) base C) plastic D) acid
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) hydrocarbonization D) acidic/basic reactions
A) carbon, oxygen and hydrogen B) hydrogen and oxygen C) carbon and hydrogen D) carbon and oxygen
A) length and shape affects the melting points B) help in acid and base reactions C) are easily burned and used for fuels 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) a different form of an atom C) a molecule that is all by itself D) none of the answers are correct |