7. An incense stick is burnt. What are the changes that take place in it? Are the
changes similar to changes that occur on burning a matchstick?
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9
Answer:
Explanation:
When an incense stick is burnt, it changes to form some gases and gets converted into solid ashes. These changes are similar to changes that occur on burning a matchstick in the following ways: new substance is formed. both changes are reversible.
Answered by
0
Answer:
Explanation:
When an incense stick is burnt, it changes to form some gases and gets converted into solid ashes. These changes are similar to changes that occur on burning a matchstick in the following ways: new substance is formed. both changes are reversible.
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