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15.10.2020 •
Chemistry
When calcium burns the colour produce?
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Ответ:
Because each element has an exactly defined line emission spectrum, scientists are able to identify them by the color of flame they produce. For example, copper produces a blue flame, lithium and strontium a red flame, calcium an orange flame, sodium a yellow flame, and barium a green flame.
Explanation:
Ответ:
~Hello~
n = 2
Explanation:
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