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Nesterboy [21]
3 years ago
10

17.

Biology
1 answer:
Vanyuwa [196]3 years ago
7 0
D new matter is created. in chemical reactions the chemicals form to make a new substance.
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Ashing process is done to evaluate the ash content present in petroleum or other proucts, so that they can be used for certain applications

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b. The result that occur due to above errors such as the temperature, time,  tongs and leaving ash in open will manipulate the final ash content and its application can be harmful for humans and for other purpose if it will be used.

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Hope it helps you...

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