Why is combustion of liquefied petroleum gas a chemical change
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Why is combustion of lpg a chemical change?
Answered by admin @
Conbustion of liquifed petroleum gas is a chemical change because after its combustion a new substance is formed and cannot be turned back into LPG
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When a substance changes from a solid to a gas
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Complete the following sentences: 1. The phase change in which a substance changes from a liquid to a gas is ______.
a. deposition
b. sublimation
c. condensation
d. vaporization
2. …
How can you tell if a chemical change has occurred
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How can you tell if a chemical change has occurred?
Are enzymes used up or changed during a chemical reaction
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Which one of the following is true?
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Which substance cannot be broken down by a chemical change
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Which substance can not be broken down by a chemical reaction?
(1) ammonia (3) methane
(2) argon (4) water
Classify the following as physical and chemical changes
Asked by admin @ in Science viewed by 391 persons
Classify the following as chemical or physical changes:
• cutting of trees,
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• boiling of water to form steam, …
Why rusting of iron is a chemical change
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Why is rusting of iron considered a chemical change
Why cannot a chemical change be normally reversed
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Why cannot a chemical change be normally reversed ??
Classify the following as chemical or physical changes
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Classify the following as chemical or physical changes:
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Condensation of steam is not a chemical change
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Condensation of steam is not a chemical change.(true/false) ?
Which of the following is a chemical change
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Which of the following is a chemical change? 1] Cutting of tree 2] Rusting of iron 3] Burning of candle 4] Water converting into steam
Formation of manure from leaves is a chemical change
Asked by admin @ in Science viewed by 329 persons
Formation of manure from leaves is a physical change - State whether the statement is True or False? Justify your answer.
Topic: Physical and Chemical Changes
Which among the following are physical or chemical changes
Asked by admin @ in Science viewed by 378 persons
Which among the following are physical or chemical change?
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2.burning of LPG gas.
3.heating of iron rod to red hot.
4.curdling of milk
5.sublimation of solid …
Formation of curd from milk is a chemical change
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Formation of curd into milk is a chemical change give reason
Rusting of iron is a chemical or physical change
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Why is rusting of iron considered a chemical change
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Why is rusting of iron considered a chemical change
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