Questions and Answers
What phenomenon is illustrated in Fig. 1.1 when salt is dissolved in water?
Sublimation of salt
In the activity involving potassium permanganate crystals, what does diluting the solution multiple times help demonstrate?
Continuous movement of particles
When solid carbon dioxide is exposed to room temperature, what change in state does it undergo?
Sublimation
What is the main concept being tested by the activity involving an unlit incense stick in a corner of the class?
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How can one determine whether water is still colored after diluting the potassium permanganate solution multiple times?
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What aspect of matter do we need to consider to answer questions about the disappearance of salt when dissolved in water?
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When sugar is dissolved in water, what happens to the sugar particles?
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What concept can be applied to particles being continuously moving?
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'Particles of matter are continuously moving' implies that matter is made up of __________.
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What principle is being exemplified when dissolving potassium permanganate in water and diluting it multiple times?
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