Which metal forms compounds that can be used to colour glass?
A.
aluminium
B.
calcium
C.
chromium
D.
sodium
Exam No：0620_w24_qp_12 Year：2024 Question No：28
Answer:
C
Knowledge points:
8.4.1.1. have high densities
8.4.1.2. have high melting points
8.4.1.3. form coloured compounds
8.4.1.4. often act as catalysts as elements and in compounds
8.4.2. Describe transition elements as having ions with variable oxidation numbers, including iron(II) and iron(III)
Solution:
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