Answer:
#1 You get valid data for one.
#2 Not measuring accurately can have some bad consequences.
#3 If you mix the wrong amount of chemicals you can end up getting yourself or worse other people hurt.
#4 When making food you need to measure the amount of sugar or salt you put into the dish or else your face will be this
It is more likely to be 9 as pH 8 and above are Alkali (Base) and alkali solutions don't tend to react with metals.
Hope this helps :) ~
Answer:
Strong acids and bases both denature proteins by severing disulphide bonds and at higher temperatures, can break proteins into peptides, or even individual amino acids.