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Questions and Answers
What type of reaction is the formation of water from hydrogen and oxygen?
What type of reaction is the formation of water from hydrogen and oxygen?
- Synthesis reaction (correct)
- Single replacement reaction
- Decomposition reaction
- Double replacement reaction
Which of the following is a characteristic of an acid?
Which of the following is a characteristic of an acid?
- Turns blue litmus paper red (correct)
- Tastes bitter
- Reacts with metals to form hydrogen gas
- Has a pH greater than 7
What is the chemical formula for sodium chloride?
What is the chemical formula for sodium chloride?
- NaCl (correct)
- CO2
- H2O
- HCl
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Study Notes
Chemical Reactions
- The formation of water from hydrogen and oxygen is an example of a synthesis reaction.
Acid Characteristics
- A characteristic of an acid is that it increases the concentration of hydrogen ions (H+) in a solution.
Chemical Formulae
- The chemical formula for sodium chloride is NaCl.
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