Answer these questions based on indicators-
What color change will you observe if-:
a. You dip China rose in Vinegar ?
b. You dip blue litmus to lime water ?
c. You add Phenolphthalein to soap solution
.d. You add turmeric to curd.
Answers
Answer:
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Answer:
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a)When china rose solution is added to an acidic solution it turns to dark pink or magenta. Vinegar is acidic nature as it contain ethanoic acid (CH3COOH) so when solution of china rose indicator is added to it, it gives magneta colour
b)When blue litmus paper is dipped in lime juice, litmus paper turns red. Lime juice is acidic in nature because it contains an acid named citric acid. Like all other acids, lime juice also turns blue litmus red
c)Phenolphthalein is often used as an indicator in acid-base titrations. It is slightly soluble soluble in water. It turns acidic in acidic solution and turns pink in basic solution. Since soap solution is basic, so phenophthalein turns pink in pink solution
d)Turmeric and raw milk or curd together can help your skin fight free radicals that can damage your skin. ... Together, they make a skin pack that will give you radiant, soft and younger-looking skin.