A) none of the answers are correct B) two of the answers are correct C) small molecules come together D) large molecules are broken apart
A) energy is needed B) no answer is c C) two of the answers are correct D) energy is given off
A) energy is needed B) energy is given off C) none of the answers are correct D) two of the answers are correct
A) cutting a piece of wood with a saw B) baking a cake C) growing of hair D) a car rusting
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 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) polymerization B) depolymerization C) solution D) precipitation
A) acids and bases B) none of the answers are correct C) alkanes D) petroleum
A) acid B) base C) hydrocarbon D) plastic
A) acid B) base C) hydrocarbon D) plastic
A) bases have more H^+ ions than pure water B) all of the answers are correct C) pure water has 10-7 moles/L of H^+ ions D) acids have less H^+ ions pure letter than pure water
A) acidic/basic reactions B) polymerization C) depolymerization D) hydrocarbonization
A) carbon and hydrogen B) carbon, oxygen and hydrogen C) carbon and oxygen D) hydrogen and oxygen
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) a cell that has an equal concentration on the inside as well as the outside of it C) a molecule that is all by itself D) none of the answers are correct |