Pierakstīties
WAEC - Chemistry (2006 - No. 8)
Which of the following processes is an endothermic reaction?
Dissolving NH
4
CI crystals in water
Addition of concentrated H
2
SO
4
Dissolving NaOH pellets in water
Passing SO
3
gas into water
komentāri (0)
Piesakieties, lai komentētu
Reklāma
Ļaujiet javascript pareizi ielādēt šo lapu