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