Give one example of change occurs on mixing two substances, but can be reversed.

One Line Answer

Formation of salt solution.

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Chapter 6: Changes Around Us - Long Answer Questions [Page 35]

Chapter 6 Changes Around Us
Long Answer Questions | Q 15. (d) | Page 35

Very Short Answer Type Question:
Can you say deforestation is an irreversible or reversible change?

Match the following.

Differentiate reversible and irreversible changes.

Formation of curd from milk is

Burning of match stick is a reversible change.

Analogy

Curdling of milk : irreversible change :: Formation of clouds : ________change

Periodical removal of one of the products of a reversible reaction increases the yield.

When ‘Touch me not’ plant is touched by us, ______ changes occur.

Look at the figure which shows three situations.

Which of these shows a reversible change and why?

Which of the following changes cannot be reversed?