Answer:
Page 1:
7: 1
9: 3
10: 4
Q2.1: alkaline
Q2.2: acidic
Q2.3: alkaline
Q2.4: acidic
Q2.5: 4
=====
Page 2:
1: 4
2: 1
Page 3:
3: 1
4: 2
5: 4(?)
6: 1, 4
Step-by-step explanation:
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