D. warun On
Study the table given below - it shows the pH value of many common
liquids. The pH value represents the acidity of a given liquid. Pure
water is said to be neutral, that is, neither acidic nor basic Which of
these is a valid conclusion that can be drawn from the table?
A. Many common food items are quite acidic in nature.
B. Our stomach contains a liquid which is a weak acid.
C. Sea water is neither acidic nor basic - it is neutral.
D. Acid rain, in spite of its name, is basic in nature.
Substance
Battery acid
Stomach acid
Lemon juice
Cola
Orange/Apple juice
Coffee
Tea
Acid rain
Milk
Pure water
Human Saliva
Blood
Sea water
Soap
Ammonia
Bleach
pH
<1.0
2.0
2.4
2.5
3.5
5.0
5.5
<5.6
6.5
7.0
7.4
7.34-7.45
8.0
9.0-10.0
11.5
12.5