2questions, 1. suppose you are manufacuring a certain type of cosmetic. you know that it can be slightly acidic, but it should not be strongly acidic. which of the indicators you have just stidied will you deteine the degree of acidity. explain your answer. indicatord studied: distilled water, detergent (blue), lemon juice, "epsom salts", fruit juice, bleach, soda pop, tap water, milk, ammonia, egg, hcl, na hco3, and vinegar. 2. you may have found that the results you obtained were different from those of other groups. what variables might have affected your results?

i'd go for universal indicator, bromothymol blue and methyl red  

i mean, they have the degrees of acidity (specific color changes)  

they have wider ranges of color changes which will lead to the strength of acid  

you will know the degree of acidity of the cosmetics  

in fact, bromothymol blue is used to detect the slightest level of acid or base in a substance  

universal indicator has the pH charts; the range is big so that you can measure the level of acidity effectively  

methyl red is sensitive too as the other two mentioned earlier  

the other way that's not included in your choices is the pH meter  

unlike litmus papers which just have 2 results; either red or blue  

phenolphthalein only colorless, pale pink  

you won't know the degree of acidity  

hope that helps

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