Worksheetssciences
Total questions: 12
Worksheet time: 6mins
What happens to atoms when there is a chemichal reaction
they separate
they rearraange together
they evaporate
they get bigger
how is called the original substance?
original propieties
new product
atoms
reactans
you can separate a chemichal reaction
true
false
how can you separate a chemical reaction be separated?
by evaporation
by magnetism
by distillation
another chemical reaction
Exothermic reaction = colder
true
false
which produces endothermic energy?
absorbe magnetism
absorb energy
absorb other thing
When produces the color change?
when the product have the same color
when the product have different color
how does the gas formation feel?
of bubbles and smell
of smoke and smell
of bubbles and smoke
of bubbles, smoke and smell
a precipitous formation what is it?
liquid
solid
gas
a precipitate formation how can it be formed?
when we combine solids
when we combine gases
When we combine liquids
When we combine others things
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