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