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science beatriz

school

QuestionAnswer
the chemicals in side a glow-stick reacct together to give of..... they give of light energy.
what does observation mean? information collected in experiment (eg: what you see happening, measuring you make).
is melted ice reversible or irreversible? reversible
will iron fillings react with sulphuric acid? yes it will
to make dry ice you have to cool the carbon dioxid down to....... -80 degree
Created by: bvilaariza
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