Tatia
Chapter 1 Chemical reactions 19 July 2011
Chemical rection, its where an element and coumpund were mixed together, after the two of them become one, then they’ll make new things. Actually we can find it very easy. Like in chemical industry, or in car machine.
Correction:
Chemical Reaction is actually when 1 or 2 elements are combined together to form something new
Chemical Reaction is actually when 1 or 2 elements are combined together to form something new