The electrical conductivity of magnesium is tested. Magnesium is then added to dilute sulfuric acid. A gas, W , is produced. Which row describes the electrical conductivity of magnesium and identifies W?
A.
B.
C.
D.
Exam No：0620_s24_qp_23 Year：2024 Question No：25
Answer:
A
Knowledge points:
9.1.1.1. thermal conductivity
9.1.1.2. electrical conductivity
9.1.1.3. malleability and ductility
9.1.1.4. melting points and boiling points
9.1.2.1. dilute acids
9.1.2.2. cold water and steam
9.1.2.3. oxygen
Solution:
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