Podcast
Questions and Answers
What happens when milk is left at room temperature during summers?
What happens when milk is left at room temperature during summers?
- It turns into cheese
- It evaporates
- It gets fermented (correct)
- It freezes
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?
- It becomes magnetic
- It gets polished
- It undergoes corrosion (correct)
- It turns into gold
What happens when food is cooked?
What happens when food is cooked?
- Its chemical composition changes (correct)
- It gets fermented
- It gets digested in the body
- It becomes toxic
What is observed when a magnesium ribbon is burned as described in Activity 1.1?
What is observed when a magnesium ribbon is burned as described in Activity 1.1?
What happens when grapes get fermented?
What happens when grapes get fermented?
How does exposure to humid atmosphere affect iron objects?
How does exposure to humid atmosphere affect iron objects?
What is the shiny brown element that turns black on heating in air?
What is the shiny brown element that turns black on heating in air?
Why do we apply paint on iron articles?
Why do we apply paint on iron articles?
Which of the following food items are flushed with nitrogen to prevent rancidity?
Which of the following food items are flushed with nitrogen to prevent rancidity?
What is the process responsible for the rusting of iron?
What is the process responsible for the rusting of iron?
Which term refers to the degradation of metals due to chemical reactions with the environment?
Which term refers to the degradation of metals due to chemical reactions with the environment?
In everyday life, which of the following is an example of an oxidation reaction?
In everyday life, which of the following is an example of an oxidation reaction?
What is the common term used for the process of iron articles getting coated with a reddish brown powder over time?
What is the common term used for the process of iron articles getting coated with a reddish brown powder over time?
Which of the following is a common example of corrosion mentioned in the text?
Which of the following is a common example of corrosion mentioned in the text?
What effect does oxidation have on fats and oils, causing them to become rancid?
What effect does oxidation have on fats and oils, causing them to become rancid?
Which substance is typically added to foods containing fats and oils to prevent oxidation?
Which substance is typically added to foods containing fats and oils to prevent oxidation?
How do chips manufacturers prevent chips from getting oxidized?
How do chips manufacturers prevent chips from getting oxidized?
What is the primary reason for replacing damaged iron objects according to the text?
What is the primary reason for replacing damaged iron objects according to the text?
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