1
What type of substance tastes bitter and can turn red litmus paper blue?
Base
What type of substance tastes sour and can turn blue litmus paper red?
Acid
What is another word for a substance that is basic?
Alkaline
What is the scale used to measure how acidic or basic a solution is?
pH scale
On the pH scale, what number represents the strongest acid?
0
What is the scale used to measure how acidic or basic a solution is?
pH scale
What does pH stand for?
power of Hydrogen
In the pH scale, what type of solution is neither acidic nor basic?
Neutral
What acid is found in the human stomach?
Hydrochloric acid
What type of paper changes color when dipped into acids or bases?
Litmus paper
What is a neutral substance with a pH of 7?
Water
What fruit contains citric acid, making it acidic?
Lemon
What is the normal pH level of human blood?
7.35-7.45
What base has a pH closest to 14 and is used in industrial cleaning?
Sodium hydroxide
What acid is found in vitamin C-rich fruits and is essential for human health?
Ascorbic acid
What household substance is strongly alkaline and can have a pH close to 14?
Oven cleaner
What acid is naturally found in tamarind and grapes and is used in baking powder?
Tartaric acid
What base is naturally found in limestone and can be used to neutralize acidic soils?
Calcium carbonate
What base is used in carbon dioxide scrubbers in spacecraft and submarines?
Lithium hydroxide
What acid is used in car batteries to generate electrical energy?
Sulfuric acid