Science Project
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PRESENTATION OUTLINE
MULTIPLE QUESTION
- Which one of the following is acidic
- A. Lemon juice
- B. Tomatoes
- C. Milk
- D. All
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- 2. Which one of following red litmus to blue
- A. Vinegar
- B. Lemon juice
- C. Backing soda
- D. Soft drink
Photo by Luis Argerich
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- 3. Which one of the following will turn blue litmus in to red
- A. Litmus
- B. Washing soda solutions
- C. Vinager
Photo by Manoj Vasanth
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- 5. The nature of calcium is present in tooth enamel is
- A. Basic
- B. Acidic
- C. Neutral
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- 6. The chemical formula of caustic potash is called
- A. NaOh
- B. Ca(oh)2
- C. KOH
Photo by Ben Grey
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- 7. Some fruits like mango etc have sour taste due to the present of
- A. acidic acid
- B. Citric acid
- C.lactic acid
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- 8. Which one of the following is salts does not contain water of crystallisation
- A. Baking soda
- B. Washing soda
- C. Gypsum
Photo by Pedro Szekely
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- 9. Tomato is a natural source of which acid ?
- A. Acidic acid
- B. Oxalic acid
- C. Citric acid
Photo by Francis Bourgouin
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- Sodium hydroxide is a
- A. Strong base
- B. Strong acid
- C. Weak base
Photo by Gabriel Rocha
