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it can kill the cells

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11y ago
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Q: Why can't a smear be gently heated over a a flame to speed up the drying process?
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Why is it essential that smears be air-dried before heating the slide and why cannot they be gently heated over a flame to speed up the drying process?

Any heat much over room temperature at that point would denature the cells due to the water content on the slide. Even if it was gentle, the heat from the flame would be enough to sizzle them like tiny fried eggs. :)


Which combination describes the flame color of the compound when heated?

Which combination describes the flame color of the compound when heated?


What element gives a green flame when it is heated?

Earth.


When a strontium compound is heated in a flame red light is produced When a barium compound is heated in a flame yellow-green light is produced Explain why these colors are emitted?

Yes


What happen if a flask is heated on a flame with a wire gauze?

- the flask is protected - the liquid is heated more uniform


What two things are not heated with naked flame?

Lead And Cryptonite


When sugar is heated in flame directly will it become poison?

Simply no


Which elements give off a color when heated and what color?

Different elements produce different colors when heated. Here are a few examples: Lithium produces a red flame Sodium produces a yellow flame Copper produces a blue-green flame Potassium produces a lilac flame Barium produces a pale green flame


What happenened to the copper sulfate when heated?

When heated in an open flame the crystals are dehydrated and turn grayish-white. -www.wikipedia.com


Which element gives a light purple color when heated in a flame?

Potassium


Color of copper when heated by non luminous flame?

Green/Blue


What colour of flame does sodium chloride produce when heated?

Bright yellow