Acids Bases and Salts
The pH of water is
8
3
2
7
7
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The pH (power of Hydrogen) value of black coffee isA. 7
B. 8
C. 3
D. 5
The acid used for the manufacture of fertilizers and explosives is
A. nitric acid
B. sulfuric acid
C. phosphoric acid
D. hydrochloric acid
A species which can accept a proton is called
A. acid
B. base
C. neutral compound
D. cation
The Bronsted-Lowery acid in the reaction H2O + NH3 NH+ 4 + OH– is
A. H2O
B. NH3
C. OH–
D. NH+4
As an electrolyte, water is
A. strong
B. neutral
C. weak
D. good insulator
KOH is used in the making of
A. drain cleaner
B. antacid
C. cement
D. liquid soap
In pure water, the concentrations of
A. H+ and OH– ions are equal
B. H+ ions is more
C. OH– ions is more
D. Cl– is more
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