ExamPlay Light Logo
Inicieu la sessió

WAEC - Chemistry (2006 - No. 8)

Which of the following processes is an endothermic reaction?
Dissolving NH4CI crystals in water
Addition of concentrated H2SO4
Dissolving NaOH pellets in water
Passing SO3 gas into water

Comentaris (0)

Inicieu sessió per comentar
Anunci
BrainBehindX Inc Logo
©2026; Desenvolupat per BrainBehindX Inc