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Questions and Answers
What happens when grapes get fermented?
What happens when grapes get fermented?
What happens to food when it gets digested in our body?
What happens to food when it gets digested in our body?
What happens when milk is left at room temperature during summers?
What happens when milk is left at room temperature during summers?
What happens when food is cooked?
What happens when food is cooked?
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What happens when we respire?
What happens when we respire?
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What happens when an iron tawa/pan/nail is left exposed to humid atmosphere?
What happens when an iron tawa/pan/nail is left exposed to humid atmosphere?
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What happens when grapes get fermented?
What happens when grapes get fermented?
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What happens when food gets digested in our body?
What happens when food gets digested in our body?
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What happens when we respire?
What happens when we respire?
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What happens when milk is left at room temperature during summers?
What happens when milk is left at room temperature during summers?
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What is the nature of the initial substance when a chemical change occurs?
What is the nature of the initial substance when a chemical change occurs?
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How can we identify that a chemical reaction has taken place?
How can we identify that a chemical reaction has taken place?
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What happens when food gets digested in our body?
What happens when food gets digested in our body?
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What happens when grapes get fermented?
What happens when grapes get fermented?
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What is the result of leaving an iron tawa/pan/nail exposed to humid atmosphere?
What is the result of leaving an iron tawa/pan/nail exposed to humid atmosphere?
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Study Notes
Fermentation and Digestion
- Grapes, when fermented, undergo a chemical change that converts sugar into ethanol and carbon dioxide, resulting in the production of wine or vinegar.
- During digestion, food is broken down into simpler substances like carbohydrates, proteins, and fats, which are then absorbed and utilized by the body for energy and growth.
Effects of Temperature and Humidity
- Milk, when left at room temperature during summers, may spoil or curdle due to the growth of bacteria and other microorganisms.
- An iron tawa, pan, or nail, when exposed to humid atmosphere, undergoes rusting, which is a chemical change that converts iron into iron oxide.
Respiratory Process
- During respiration, oxygen is inhaled, and carbon dioxide is exhaled as a byproduct of cellular respiration, which releases energy from the food we consume.
Chemical Changes
- A chemical change occurs when the composition of a substance is altered, resulting in a new substance with different properties.
- A chemical reaction has taken place if there is a change in color, odor, or state of a substance, or if heat, light, or gas is produced or released.
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Description
Test your knowledge of chemical reactions and equations with this quiz! Explore the science behind everyday scenarios like food spoilage, cooking, and digestion, and see how they relate to chemical processes.
