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