SC-986
Solute, solvent and solution
Lower Sec Science · Secondary 1 · Hard · Solute, solvent and solution
A student adds 5 g of copper(II) sulfate crystals to 50 g of water at 20 °C and stirs until all the crystals dissolve. Which statement best describes the resulting liquid?
- It is a pure compound because it is blue.
- It is a pure compound because it cannot be filtered.
- It is a mixture because it contains more than one substance.
- It is a mixture because copper(II) sulfate cannot dissolve in water.
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