Blue and Red Litmus paper test
Penreach NGO・4 minutes read
An experiment on acids and bases using household substances conducted by Given Mashabani and Andres Machavani from Penrith Shalom Science Center revealed the acidity or neutrality of various substances like lemon juice, water, milk, coffee, baking soda, sugar, salt, vinegar, and tea. The results indicated that lemon juice, coffee, vinegar, and tea were acidic, while water, sugar, and salt were neutral, and baking soda was basic based on color changes observed in red and blue litmus paper.
Insights
- Lemon juice, vinegar, and tea were identified as acidic household substances in the experiment, showcasing a range of acidic properties present in common items.
- The experiment utilized simple apparatus like litmus paper and basic household substances, demonstrating how accessible and practical scientific exploration can be with minimal equipment.
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Recent questions
What are the common household substances used in the experiment?
Lemon juice, water, milk, coffee, baking soda, sugar, salt, vinegar, and tea.
Which household substance was identified as basic?
Baking soda
What was the acidity level of water in the experiment?
Neutral
Which household substance was slightly acidic in the experiment?
Milk
What was the acidity level of vinegar in the experiment?
Acidic
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Summary
00:00
Household Acid-Base Experiment Results by Students
- Experiment on acid and bases using household substances conducted by Given Mashabani and Andres Machavani from Penrith Shalom Science Center.
- Apparatus used: beaker, red litmus paper, blue litmus paper, and a Thai. Household substances tested: lemon juice, water, milk, coffee, baking soda, sugar, salt, vinegar, and tea.
- Results showed lemon juice as acidic, water as neutral, milk slightly acidic, coffee acidic, baking soda basic, sugar neutral, salt neutral, vinegar acidic, and tea acidic based on litmus paper color changes.
