CH-1132
Preparing salts
Chemistry · Secondary 4 · Medium · Preparing salts
A student wants to prepare crystals of copper(II) sulfate by reacting excess copper(II) oxide with dilute sulfuric acid.
CuO(s) + H₂SO₄(aq) → CuSO₄(aq) + H₂O(l)
Besides a measuring cylinder, which two pieces of apparatus are needed to obtain dry copper(II) sulfate crystals?
1 filter funnel
2 evaporating dish
3 beaker
4 gas syringe
CuO(s) + H₂SO₄(aq) → CuSO₄(aq) + H₂O(l)
Besides a measuring cylinder, which two pieces of apparatus are needed to obtain dry copper(II) sulfate crystals?
1 filter funnel
2 evaporating dish
3 beaker
4 gas syringe
- 1 and 2
- 1 and 3
- 2 and 4
- 3 and 4
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