Classify each of the following solutions at 25 °C as acidic or basic based on the information provided.
a) lemon juice tastes sour
b) a solution of washing soda turns cabbage juice green
c) a dilute solution of potassium hydroxide feels slippery
d) a sugar solution has a pH of 7
e) drain cleaner has a pH of 12
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Answer:
A) Acidic
As acids are sour in taste.
B) Basic
Green colour is shown by red cabbage extract on treating it with bases.
C) Basic
Bases are soapy and slippery to touch.
D) Neutral
Both sugar and Water are neither acidic nor basic
E) Basic
Drain cleaner carry a lot of soap,detergents out of the house and soaps are basic in nature.
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