WorksheetsImportance of pH in everyday life
Total questions: 10
Worksheet time: 3mins
A substance that is more basic has a _____ pH than a substance that is acidic.
An acid
is a substance that releases H+ ions when dissolved in water
is a substance that does not release any ions when dissolved in water
is a substance that releases OH- when dissolved in water
releases an equal amount of OH- and H+ ions when dissolved in water
Acids rains are formed as a result of the reactions of SO2 and NO2 gases with water molecules in the atmosphere.
SO2 (g) + H2O (l) --> _______________ (1)
NO2 (g) + H2O (l) --> _______________ (2)
Which acids are formed in the 1st and 2nd reactions respectively ?
H2SO3 and HNO3
H2SO4 and HNO4
HSO4 and HNO2
Which is NOT caused by acid rain?
damage to statues
dying fish
spread of disease
weakened trees
True or false: a neutral solution has equal amounts of H+ and OH-.
True
False
Vinegar, fruit juice, and cola are examples of:
strong acids
strong bases
strong bases
weak acids
Water found near sources of air pollution tends to be:
Acidic.
Basic.
Neither. Air pollution doesn't alter the pH of water.
Which of the following colour is seen when universal indicator is added to the Sulphuric acid?
Red
Yellow
Green
Violet
what is the another name for Magnesium hydroxide?
quick lime
washing soda
milk of magnesia
baking soda
