1) It takes __________ moles of phosphoric acid to neutralize __________ moles o
ID: 841661 • Letter: 1
Question
1) It takes __________ moles of phosphoric acid to neutralize __________ moles of aluminum hydroxide.
A) 1, 2
B) 3, 2
C) 1, 1
D) 2, 3
2) An aqueous solution of HCl is called __________.
A) chloric acid
B) hypochlorous acid
C) hydrochloric acid
D) hydrogen chloride
3) The precipitate formed when ammonium iodide and silver nitrate are placed in a test tube is __________.
A) iodine nitrate
B) silver iodide
C) ammonium nitrate
D) No precipitate will be formed.
4) Which equation has 2: 11: 8: 6 as the relative ratio of coefficients when balanced?
A) C4H6 + O2 ? CO2 + H2O
B) Ba(OH)2 + HCl ? BaCl2 + H2O
C) K3PO4 + AgNO3 ? Ag3PO4 + KNO3
D) Al + H2SO4 ? H2 + Al2(SO4)3
5) What is the oxidation number of H in BaH2?
A) 1
B) 0
C) 2
D) +1
6) Which of the following provides two H3O+ ions per molecule of acid?
A) hydrobromic
B) phosphoric
C) nitric
D) sulfuric
7) The number of moles of potassium hydroxide needed to neutralize one mole of phosphoric acid is __________.
A) 0.5
B) 3
C) 1
D) 2
8) The conjugate base of PO43- is
__________.
A) HPO4-2
B) PO4-3
C) H3PO4
D) PO43- has no conjugate base.
9) The acid in the forward reaction HNO3 + OH?NO3- + H2O is __________.
A) H2O
B) HNO3
C) NO3
D)OH
10)Gastric juices have a pH close to __________.
A) 1.5
B) 7.0
C) 2.8
D) 4.5
Explanation / Answer
1) C
2) C
3) B
4)A
5) A
6) C
7) B
8)D
9)A
10)C
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