Answer Guide: S4_3B Metals

MCQ Answer Area of Chemistry
1. B [Metal extraction]
2. C [Experimental techniques]
3. D [Electrochemistry]
4. C [Electrochemistry]
5. B [Balancing equations]
6. C [Reactions of acids]
7. A [Electrochemistry]
8. C [Ionic Formulae]

 

9 A  
[Homologous series – General formula/ Problem solving]
10.
B
[Redox Equations]
]
11.
a)  
[Groups in the Periodic Table
b) Chlorine = positive electrode/  strontium = negative electrode
[Electrolysis]
12.

[Ion electron equations]
[Bonding – Properties]
13.
[Electrochemistry]
 
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