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Questions and Answers
What is the taste of acidic fruits?
What is the taste of acidic fruits?
- Sour (correct)
- Sweet
- Bitter
- Salty
Which characteristic is primarily associated with acids?
Which characteristic is primarily associated with acids?
- They have a slippery feel.
- They taste bitter.
- They have a pH greater than 7.
- They can donate protons. (correct)
Which of the following is an essential mineral?
Which of the following is an essential mineral?
- Glucose
- Fructose
- Sodium (correct)
- Sucrose
What is the primary role of bases in a chemical reaction?
What is the primary role of bases in a chemical reaction?
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Which of these statements about mineral sources is accurate?
Which of these statements about mineral sources is accurate?
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What is the approximate pH level of a neutral solution?
What is the approximate pH level of a neutral solution?
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Study Notes
Properties of Acids and Bases
- Acidic fruits present a tangy, sour taste due to the presence of organic acids like citric, malic, and ascorbic acid.
- Acidity is primarily characterized by a sour taste, often associated with higher concentrations of hydrogen ions (H+).
Essential Minerals
- Essential minerals include elements such as calcium, potassium, and magnesium, which are critical for various bodily functions.
Role of Bases
- Bases play a key role in chemical reactions by accepting protons (H+) or donating electron pairs, which can neutralize acids.
Mineral Sources
- Accurate statements regarding mineral sources emphasize that different foods, such as fruits, vegetables, meats, and dairy, provide varying mineral content essential for health.
pH Levels
- A neutral solution has an approximate pH level of 7, indicating a balance between acidity and alkalinity.
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Description
25 marks daily taste
