"A lot of things." I heard a light chuckle beside me and I turned sideways. "And one of those things include you." He winked at me and dropped his pen again, having finished his work. He leaned back in his seat and placed his arms at the back of his head.
I was still recovering from the shock his words have left me in. What did he mean? Could it be possible that he was involved in the recent disturbing events? Or was he just being playful with his words?
"Since you all are done with experimenting, let me explain you all about the reactions and the products obtained." Mr. Cooper was again at the chalkboard and began scribbling the reactions. After he was done writing, he began explaining the whole process.
"The end product is Copper Sulfate which is a salt. The reaction can be classified as both double displacement and as neutralization reaction." He began explaining about the significance and other examples of such reactions.
