Advertisements
Advertisements
Question
Give one example of change occurs on mixing two substances, but can be reversed.
Advertisements
Solution
Formation of salt solution.
APPEARS IN
RELATED QUESTIONS
Very Short Answer Type Question:
Give two examples of irreversible changes.
Circle the odd one.
Differentiate reversible and irreversible changes.
Drying of wet clothes in air is an example of
A drawing sheet changes when you draw a picture on it. Can you reverse this change?
Give examples to explain the difference between changes that can or cannot be reversed.
Which of the following changes cannot be reversed?
- Blowing of a balloon
- Folding paper to make a toy aeroplane
- Rolling a ball of dough to make roti
- Baking cake in an oven
- Drying a wet cloth
- Making biogas from cow dung
- Burning of a candle
Boojho’s sister broke a white dove, a symbol of peace, made of Plaster of Paris (POP). Boojho tried to reconstruct the toy by making a powder of the broken pieces and then making a paste by mixing water. Will he be successful in his effort? Justify your answer.
Give one example of change which occurs on cooling but can be reversed.
A potter working on his wheel shaped a lump of clay into a pot. He then baked the pot in an oven. Do these two acts lead to the same kind of changes or different? Give your opinion and justify your answer.
