A) large molecules are broken apart B) two of the answers are correct C) none of the answers are correct D) small molecules come together
A) two of the answers are correct B) no answer is c C) energy is given off D) energy is needed
A) energy is needed B) two of the answers are correct C) energy is given off D) none of the answers are correct
A) cutting a piece of wood with a saw B) a car rusting C) growing of hair 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 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 made D) a chemical reaction in which an electron is destroyed
A) solution B) precipitation C) depolymerization D) polymerization
A) acids and bases B) petroleum C) alkanes D) none of the answers are correct
A) hydrocarbon B) acid C) plastic D) base
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) polymerization B) hydrocarbonization C) depolymerization D) acidic/basic reactions
A) carbon, oxygen and hydrogen B) carbon and hydrogen C) hydrogen and oxygen D) carbon and oxygen
A) length and shape affects the melting points B) are easily burned and used for fuels C) two of the answers are correct D) help in acid and base reactions
A) a molecule that is all by itself B) a different form of an atom C) none of the answers are correct D) a cell that has an equal concentration on the inside as well as the outside of it |