Chemistry Cumulative Exam Study
Guide Questions and Correct Answer
H2CO3 is used in soft drinks. What is the name of this compound?
✓ :-- B. carbonic acid
✓
✓ Look at the reaction below.
✓
✓ H2SO4(aq)+Mg(s)--->MgSO4(aq)+H2(g)
Which substance is the acid in the reaction?
✓ :-- D. H2SO4(aq)
Which of the following best defines an acid?
✓ :-- D. An acid has more hydrogen ions in solution
Which statement would indicate the presence of an acid?
✓ :-- C. It reacts with active metals to form a gas
Which statement would indicate the presence of an acid?
✓ :-- C. They increase the concentration of H+ ions
Which is a characteristic of a strong base?
✓ :-- D. It removes H+ ions from solution
H2SO4 is added to a large beaker of water. How is the solution different from the original
water?
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✓ :-- A. The solution turns blue litmus to red.
Look at the reaction below.
H2SO4+Ca(OH)2(aq)--->CaSO4(aq)+2H2O(l)
Which substance is the base in the reaction?
✓ :-- D. Ca(OH)2 (aq)
The main active components of bleach and many other household cleaners are
✓ :-- D. bases
Which pair of substances would most likely result in the production of a solid when reacting
with a base?
✓ :-- B. soluble metal salt and carbon dioxide
Which statement about the self-ionization of water is correct?
✓ :-- B. Two water molecules interact to form a hydronium ion and a hydroxide ion.
A solution containing HCl would likely have
✓ :-- B. a low pH and a high pOH.
The pOH of a solution is 10.75. What is the concentration of OH- ions in the solution? Use
[OH-]=10^-pOH
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