3. Which of the following measurements has the lowest temperature? A) T = 36C B) T = 54F C) T=310 K D) All of these temperatures are equal 4. Which of the following statements is not true about table salt (NaCl) A) NaCl is a compound B) NaCl is held together by covalent bonds C) NaCl contains a metal and a nonmetal D) NaCl contains the same number of sodium and chlorine atoms 5. Baking soda and vinegar react together to create carbon dioxide. The reaction can be described by two chemical equations: NaHCO3 + HCH3O2 NaCH3O2 + HCO3 HCO3(g) H2(g) + CO2(g) Which of the following statements best describes these reactions? A) Reaction i. is double-replacement and reaction ii. is decomposition B) Reaction i. is single-replacement and reaction ii. is decomposition C) Reaction i. is single-replacement and reaction ii. is combination D) Reaction i. is double-replacement and reaction ii. is combination i. ii.