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Lady bird [3.3K]
3 years ago
13

Why burning of wood and cutting it into small pieces are considered as two different types

Chemistry
2 answers:
Mila [183]3 years ago
8 0

Answer:

burning causes pollution cutting results furniture

Explanation:

are u a nepali ?

gogolik [260]3 years ago
6 0

Answer:

burning of wood, new substances are formed and hence it is a chemical change. While cutting the wood into small pieces no new substance is formed, thus it is a physical change. Hence, burning of wood and cutting it into small pieces are considered as two different types of changes.

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Which of the following is an indicator of a chemical reaction?
yuradex [85]

Answer:

B

Explanation:

B is the best showing of a chemical reaction out of the choices

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Ne, Ar, and Kr have which properties in common? Group of answer choices
jasenka [17]

Answer:

Ne, Ar, and Kr are gases at STP, unreactive, and are generally monatomic.

Explanation:

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Vera_Pavlovna [14]

Answer:

Energy is transferred from one object to another when a reaction takes place.

Explanation:

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The answer could be It is a well known fact that energy can neither be created and nor be destroyed but can be transformed from one form to another.

Now talking about your example in a typical light bulb electrical energy is converted into light energy and heat energy. Now when the electric current flows through the conductor/filament in the light bulb,this would cause vibrations and the free ions are more likely to go to an higher energy level,and when the ions come back to their original state,the difference in the two energy levels is usually emitted as a photon,thus light energy is obtained and the heat energy is the energy dissipated as a result of flow of electricity through the conductor.

Anything that gets transformed into light energy or in better words ElectroMagnetic Energy would be a result of this.

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Explain how Earth is heated through radiation.
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