Excess solid magnesium oxide is added to dilute nitric acid. Which separation technique is used to remove the excess solid magnesium oxide after the reaction finishes?
A.
chromatography
B.
crystallisation
C.
distillation
D.
filtration
Exam No：0620_s25_qp_11 Year：2025 Question No：39
Answer:
D
Knowledge points:
4.3 pending
Solution:
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