A) small molecules come together B) two of the answers are correct C) large molecules are broken apart D) none of the answers are correct
A) two of the answers are correct B) energy is given off C) no answer is c D) energy is needed
A) energy is needed B) energy is given off C) two of the answers are correct D) none of the answers are correct
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 made 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 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 atom accepts electrons while combining with other elements C) a chemical reaction in which an electron is destroyed D) a chemical reaction in which an electron is made
A) precipitation B) polymerization C) solution D) depolymerization
A) acids and bases B) alkanes C) petroleum D) none of the answers are correct
A) acid B) base C) hydrocarbon D) plastic
A) plastic B) base C) acid D) hydrocarbon
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 hydrogen C) carbon and oxygen D) hydrogen and oxygen
A) help in acid and base reactions B) are easily burned and used for fuels C) length and shape affects the melting points 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 |