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Question
Which of the following option cannot be used to identify the change when some sugar is dissolved in water?
Which of the following option cannot be used to identify the change when some sugar is dissolved in water?
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Solution
The correct option is D Change in temperature
When some sugar is added to water, it gets dissolved and vanishes away without changing the colour of the water. Similarly, after sugar gets dissolved in water, there is no change in the smell or temperature of sugar water. Therefore, the change in temperature, smell or colour cannot be used to identify the change for this case.
After dissolving sugar, the water which has no taste starts to taste sweet. So change in taste can be used to identify the change here.
When some sugar is added to water, it gets dissolved and vanishes away without changing the colour of the water. Similarly, after sugar gets dissolved in water, there is no change in the smell or temperature of sugar water. Therefore, the change in temperature, smell or colour cannot be used to identify the change for this case.
After dissolving sugar, the water which has no taste starts to taste sweet. So change in taste can be used to identify the change here.
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