Which of the following combinations is correct?
A) NaOH/weak base
B) H3PO4/strong acid
C) HNO3/weak acid
D) NH3/strong base
E) HClO4/strong acid
Correct Answer:
Verified
Q21: The substance KClO4 in water solution is
Q22: The substance NH3 is a:
A)weak acid
B)strong acid
C)salt
D)weak
Q23: Which of the following,in aqueous solution,is most
Q24: The substance NaOH in water solution is
Q25: Which of the following represents a neutralization
Q27: The substance CH3COOH in water is a:
A)strong
Q28: The substance HNO2 is a:
A)strong base
B)strong acid
C)weak
Q29: To precipitate Ba2+(aq)from solution,one could add:
A)HCl(aq)
B)(NH4)2CO3(aq)in NH3(aq)
C)H2S(aq)in
Q30: The substance BaCl2 is a:
A)salt
B)weak acid
C)strong base
D)weak
Q31: The substance HI is a:
A)strong acid
B)weak base
C)strong
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