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Question
In a class the teacher was explaining about changes. Suddenly one student asked how changes are helpful to us.
Teacher replied: Some changes are desirable but there are many changes which are not desirable.
Which of the following is an example of desirable change?
In a class the teacher was explaining about changes. Suddenly one student asked how changes are helpful to us.
Teacher replied: Some changes are desirable but there are many changes which are not desirable.
Which of the following is an example of desirable change?
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Solution
The correct option is C Ripening of fruits
Among the following given options ripening of fruits is the only change which is desirable. Rusting of iron is an undesirable change as it is an oxidation reaction when iron reacts with both oxygen and water. This causes the metal object to degrade away layer by layer. Spoiling of milk and cutting down of trees are also undesirable.
Ripening of fruits
Among the following given options ripening of fruits is the only change which is desirable. Rusting of iron is an undesirable change as it is an oxidation reaction when iron reacts with both oxygen and water. This causes the metal object to degrade away layer by layer. Spoiling of milk and cutting down of trees are also undesirable.
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