The following are some sample questions for the lab final:
1) Antacids are meant to neutralize what type of acid?
2) What was litmus paper used for?
3)For which of the following eq. in experiment 7 did we have to use a chemical
4) Reduction occ
Note: Typo-two #4 problems
4)D(serves as a salt bridge)
4)Commercial antacid tablets:B
5)D(the order of the reaction WITH RESPECT TO ABo is zero.)
9)The correct answer is not indicated.
Answer: choices a and c are correct
German chemist Friedrich Ernst Dorn discovered Radon in 1900, when he first named the
element niton after the Latin word for shining, nitens. It was given the name Radon after 1923. It was
discovered as the radioactive decay product of other radioac
1. Give the name and symbol of the element with the atomic number and mass number. Tell the number of
protons, neutrons, and electrons.
Radon Rn with an atomic number of 86 and a relative atomic mass or 222. This element has 86
protons and electrons, with
Practice problems for final exam
Prof. Trina Mandal
Calculate the pH of the solution when 100.0 g of ammonium chloride (NH4Cl) and
35.0 g. of Sodium hydroxide (NaOH) are combined and dilut