Work Sheet
al
1. To prevent rust iron is mixed with
a zinc
b. fulphur (magnesium d. copper:
2. The substance that mires coith lodine
tincture iodine.
b Alkali
C Acohol do coater.
a- acid
3. The metal
is ferric oxide is
a copper
Ć Aluminium d. Iron
b zinc
e the nature of metalic Oxide
a- acidic
b. meutung
C. Basic D. Dual
do fini
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