ExamPlay Light Logo
Masuk

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

Komentar (0)

Masuk Untuk Berkomentar
Iklan
BrainBehindX Inc Logo
©2026; Didukung oleh BrainBehindX Inc