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Viefleur [7K]
3 years ago
14

A piece of unglazed porcelain used to test a minerals streak

Chemistry
1 answer:
GrogVix [38]3 years ago
4 0
This piece of porcelain is called a streak plate. This method is a method of rapid qualitative isolation and was developed by Robert Koch. It was developed to obtain pure bacterial cultures.
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I think is letter c thanks




6 0
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GivenL C2H2 + 5O2 ------> 4 CO2 + 2H2O
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Answer:

101 L

Explanation:

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The atmosphere surrounding Earth helps to maintain the various climates found around the world and keeps Earth from becoming ext
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Answer:

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4 0
3 years ago
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stepladder [879]

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Cheers

6 0
3 years ago
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