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Question 11
1. List THREE properties of:
a) acids:
(3) b) bases
2. Define pH?
3. State the number or range of numbers on a pH scale that would indicate:
a) a base
b) an acid
c) a neutral substance
4 Name TWO common acids and TWO common bases that may be found in your home



Answer :

GinnyAnswer

Final answer:

Acids and bases properties, pH scale definition, and common examples of acids and bases.


Explanation:

Properties of Acids and Bases:

Acids:

  1. Acids taste sour.
  2. Acids turn blue litmus paper red.
  3. Acids react with metals to produce hydrogen gas.

Bases:

  1. Bases taste bitter.
  2. Bases feel slippery.
  3. Bases turn red litmus paper blue.

Definition of pH:

pH is a scale used to specify the acidity or basicity of a solution. It ranges from 0 to 14, with 7 being neutral.

pH Scale Indicators:

  1. a) Base: pH greater than 7.
  2. b) Acid: pH less than 7.
  3. c) Neutral substance: pH of 7.

Common Acids and Bases:

Common Acids: Lemon juice (citric acid), vinegar (acetic acid).

Common Bases: Baking soda (sodium bicarbonate), soap (sodium hydroxide).


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