Acids and Alkalis

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Faye Formosa

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Acids react with metals to produce hydrogen gas.
The pH scale measures the acidity or alkalinity of a solution on a scale from 0-14.
Neutral substances have pH values equal to 7
Alkaline solutions have pH values greater than 7
Acidic solutions have pH values less than 7
Acids turn blue litmus paper red, while alkalis turn red litmus paper blue.
An indicator is used to determine whether a substance is acidic or alkaline by changing color based on its pH level.
A substance is an acid if it produces H+ ions when dissolved in water, while a base (alkali) will produce OH- ions when dissolved in water.
An indicator is used to test whether a substance is acidic or alkaline by changing color based on its pH level.
Baking soda is an antacid that can be used to treat indigestion by neutralizing stomach acids.

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Acids and Alkalis

Cards (10)

1.6 Nucleic Acids

6.3.2 Amino acids

9.4 Alcohols and Carboxylic Acids

3.1 Acids and Alkalis

2.5.3 Alcohols and Carboxylic Acids

2.5.2 Alkanes and Alkenes

2.4.2 Alkanes and Alkenes

8.2 pH and pOH of Strong Acids and Bases

8.7 pH and Solubility

3.1.12.5 Neutralisation

2.3.1 DNA replication

3.1.12.2 pH and Kw

3.3.13.4 DNA

3.3.13.5 Action of Anti-Cancer Drugs

2.2.2 Reactions of Acids

4.2.5 Strong and weak acids

2.2.5 Nucleic acids

1.2.2 Group 1: Alkali Metals

8.5 pH and <latex>pK_a</latex>

C6.2.3 Alcohols and Carboxylic Acids

4.2.5 Strong and weak acids