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Chemistry CBSE Live product
Class 10
Acids, bases and salts
Annual Revision II - Acids, bases and salts
3.
Salts
Question:
2
m.
Select the correct answer:
1
.
A salt solution shows \(pH = 9\). Which of the following combinations is most likely responsible for its formation?
\(HCl + NaOH\)
\(CH_3COOH + NaOH\)
\(H_2CO_3 + NH_4OH\)
\(HNO_3 + NH_4OH\)
2.
Two unknown salts, X and Y, are tested.
X turns red litmus blue
Y turns blue litmus red
Identify X and Y.
\(X = NH_4Cl, Y = CH_3COONa\)
\(X = (NH_4)_2SO_4, Y = Na_2SO_4\)
\(X = NaCl, Y = NH_4Cl\)
\(X = CH_3COONa, Y = NH_4Cl\)
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