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Questions and Answers
Which indicator changes color in both acid and basic solutions?
Which indicator changes color in both acid and basic solutions?
- Methyl orange
- Phenolphthalein (correct)
- Litmus
- Bromothymol blue
Which gas is produced when Sodium Hydrogen Carbonate reacts with acetic acid?
Which gas is produced when Sodium Hydrogen Carbonate reacts with acetic acid?
- Nitrogen
- Oxygen
- Carbon dioxide (correct)
- Helium
Which salt provided does not contain water of crystallization?
Which salt provided does not contain water of crystallization?
- Magnesium sulfate
- Potassium nitrate
- Copper sulfate
- Sodium chloride (correct)
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Study Notes
- One of the salts provided does not contain water of crystallization.
- Phenolphthalein indicator changes color in acid and basic solutions.
- Sodium hydroxide solution is basic and turns red litmus to blue.
- Methyl orange indicator changes color in acid and basic solutions.
- Sodium Hydrogen Carbonate reacts with acetic acid to produce gas.
- The gas evolved turns lime water milky and has a pungent odor.
- The gas evolved extinguishes a burning splinter.
- The gas evolved dissolves in a solution of sodium hydroxide.
- There are three statements provided, and only one is correct.
- The text provides multiple choice questions.
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