37. NCERT Exemplar X

Exercise condition:

2 m.

1. Barium chloride on reacting with ammonium sulphate forms barium sulphate and ammonium chloride. Which of the following correctly represents the type of the reaction involved?
Select all possible answers.

Combination reaction
Double displacement reaction
Displacement reaction
Precipitation reaction
redox and neutralisation

2. Electrolysis of water is a decomposition reaction. The mole ratio of hydrogen and oxygen gases liberated during electrolysis of water is

\(2\):\(1\)
\(1\):\(1\)
\(1\):\(2\)
\(3\):\(2\)
\(4\):\(1\)

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