Which of the following is TRUE about acid?
A. They turn red litmus paper into blue. C. Juice, shampoo, soaps, vinegar are acid
B. Their numbers range from 0-7 in the pH scale. D. Their pH is less than 7.
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Which of the following is TRUE about acid?
A. They turn red litmus paper into blue. C. Juice, shampoo, soaps, vinegar are acid
B. Their numbers range from 0-7 in the pH scale. D. Their pH is less than 7.
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Answer:
D. Their PH is less than 7.
[Fun Fact, Red and Blue Litmus paper can only change color by a certain solutions, Red= Alkaline || Blue=Acidic]
Explanation:
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Answer:
D. Their pH is less than 7.
Explanation:
The main use of litmus is to test whether a solution is acidic or basic. Light-blue litmus paper turns red under acidic conditions, and red litmus paper turns blue under basic or alkaline conditions, with the color change occurring over the pH range 4.5–8.3 at 25 °C (77 °F). Neutral litmus paper is purple.