Table 2.2 science class 10
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SOLUTION APPROXIMATE pH value
saliva (before meal) = 7.5
saliva(after meal) = 6.0
lemon juice = 2.2-2.4
colourless aerated
drink. = 6.0
carrot juice. = 5.0-6.0
coffee. = 4.5-5.5
tomato juice. = 4.0-4.4
tap water. = 7.0
1M NaOH. = 14
1M HCL. = 1
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