Which refrigerant is known to destroy ozone?
ammonia
FreonĀ®
tetrafluoroetha...
Chemistry, 13.10.2020 15:01 shiannethorn
Which refrigerant is known to destroy ozone?
ammonia
FreonĀ®
tetrafluoroethane
ice
Answers: 3
Chemistry, 22.06.2019 22:30
Consider a culture medium on which only gram-positive organisms such as staphylococcus aureus colonies can grow due to an elevated nacl level. a yellow halo surrounds the growth, indicating the bacterium fermented a sugar in the medium, decreasing the ph as a result and changing the color of a ph indicator chemical. this type of medium would be referred to as a differential and enrichment culture.
Answers: 2
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How many lone pairs of electrons are on the central atom of no3- and what is the molecular shape? one, trigonal planar zero, trigonal pyramidal zero, trigonal planar one, tetrahedral one, trigonal pyramidal
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Chemistry, 23.06.2019 01:30
Which is an example of a highly unstable isotope that is often used in fission reactions?
Answers: 1
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