Answers

2016-04-27T19:20:58+08:00
The pH range of saliva is 6.5-7.5 therefore it could be slightly acidic or slightly basic. the following are common pH indicators with their corresponding results

                                  acid                      base
red litmus                   red                      red
phenolphthalein         colorless            pink
methyl orange            red                    yellow
methyl red                  red                    yellow
bromthymol blue        yellow              blue
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2016-05-02T20:03:54+08:00
When pH transfers to any state it should be equal to a differentiation point of 3% urine and 2% to 5 % water -threw one state-never solid .

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