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Law Incorporation [45]
3 years ago
15

what is the technique for testing different chemicals known as ? it says that when they were burnt, they gave off a different co

lour ... so what is that technique known as ?
Chemistry
1 answer:
docker41 [41]3 years ago
4 0

Answer:

A flame test is an analytical procedure used in chemistry to detect the presence of certain elements, primarily metal ions, based on each element's characteristic emission spectrum. The color of flames in general also depends on temperature; see flame color.

Explanation:

I hope it's help u ;)

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The correct answer to the problem is 0.193 which is three significant figures.

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The term significant figures has to do with the figures that have a mathematical meaning. We know that the result has to correspond to the highest number of significant figures.

Hence, If we multiply 0.34 x 0.568 the result ought to be recorded as 0.193 which is three significant figures.

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