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