A) two of the answers are correct B) none of the answers are correct C) small molecules come together D) large molecules are broken apart
A) energy is given off B) two of the answers are correct C) no answer is c D) energy is needed
A) two of the answers are correct B) energy is given off C) energy is needed D) none of the answers are correct
A) a car rusting B) growing of hair C) cutting a piece of wood with a saw D) baking a cake
A) a chemical reaction in which an atom accepts electrons while combining with other elements B) a chemical reaction in which an electron is destroyed C) a chemical reaction in which an electron is made D) a chemical reaction in which electrons are transferred to an atom from 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) precipitation C) depolymerization D) polymerization
A) petroleum B) alkanes C) acids and bases D) none of the answers are correct
A) plastic B) base C) hydrocarbon D) acid
A) base B) acid C) plastic D) hydrocarbon
A) all of the answers are correct B) bases have more H^+ ions than pure water C) pure water has 10-7 moles/L of H^+ ions D) acids have less H^+ ions pure letter than pure water
A) polymerization B) depolymerization C) acidic/basic reactions 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) help in acid and base reactions C) are easily burned and used for fuels 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 |