A) two of the answers are correct B) large molecules are broken apart C) small molecules come together D) none of the answers are correct
A) no answer is c B) energy is needed C) energy is given off D) two of the answers are correct
A) none of the answers are correct B) two of the answers are correct C) energy is given off D) energy is needed
A) baking a cake B) cutting a piece of wood with a saw C) growing of hair D) a car rusting
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 an electron is destroyed B) a chemical reaction in which an atom accepts electrons while combining with other elements C) a chemical reaction in which electrons are transferred to an atom from other elements D) a chemical reaction in which an electron is made
A) solution B) precipitation C) polymerization D) depolymerization
A) alkanes B) none of the answers are correct C) petroleum D) acids and bases
A) acid B) hydrocarbon C) base D) plastic
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) bases have more H^+ ions than pure water D) all of the answers are correct
A) depolymerization B) polymerization C) acidic/basic reactions D) hydrocarbonization
A) carbon, oxygen and hydrogen B) carbon and oxygen C) hydrogen and oxygen D) carbon and hydrogen
A) are easily burned and used for fuels B) length and shape affects the melting points C) help in acid and base reactions D) two of the answers are correct
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 |