A. Dissolving NH4CI crystals in water
B. Addition of concentrated H2SO4
C. Dissolving NaOH pellets in water
D. Passing SO3 gas into water
Correct Answer: Option A
A. Dissolving NH4CI crystals in water
A. Dissolving NH4CI crystals in water
B. Addition of concentrated H2SO4
C. Dissolving NaOH pellets in water
D. Passing SO3 gas into water
Correct Answer: Option A
A. Dissolving NH4CI crystals in water
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