Separate the following into physical and chemical changes Sublimation of a solid, Decomposition of water into hydrogen and oxygen by passing electric current, Formation of clouds, Making a fruit salad from raw fruits, Dissolving carbon dioxide in water.
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Explanation:
Physical changes- Sublimation of a solid, Formation of clouds, Making a fruit salad from raw fruits, Dissolving carbon dioxide in water.
Chemical changes- Decomposition of water into hydrogen and oxygen by passing electric current
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Physical change – Making a fruit salad from raw fruits, sublimation of a solid, dissolution of carbon dioxide in water, formation of clouds.
Chemical change – Decomposition of water into hydrogen and oxygen by passing an electric current
Explanation:
- By means of physical change, there will be a drastic change in the substance’s appearance, which does not happen in the chemical reaction.
- Chemical reactions absorb or release any energy or heat. This results in the production of odour, gas, sound or colour. If these indications are not there, then it means that a physical change has occurred.
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