14. i) Some sugar is dissolved in water. Can you reverse this change ? Explain.
ii) Write any one change happening in your body.
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Can dissolving sugar in water be reversed? Sugar dissolves in water is a physical change because in this change no new substance is formed and the process is reversible in which by vaporization followed by condensation and crystallization water and sugar can be separated.
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(a) always irreversible.
Chemical reactions always result in forming new substances with different molecules. It is not easy to get back the original substances. Hence, the chemical changes are permanent and irreversible.
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