Crystal salts hydrates in test tubes: blue copper sulfate, brown cobalt sulfate, green nickel chloride.
Keywords
chemistry,
test tube,
reagent,
salt,
sulfate,
cobalt,
copper,
nickel,
inorganic,
chemical,
laboratory,
crystal,
background,
blue,
brown,
colours,
crystalline,
education,
equipment,
experiment,
glasses,
green,
group,
loose,
macro,
material,
mineral,
poisonous,
powder,
red,
research,
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science,
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set,
shape,
solid,
structure,
study,
test,
three,
toxic,
transparent,
white,
work