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Chemistry, 21.06.2019 15:00
Litmus paper is made from water-soluble dyes which are extracted from lichens. this paper is used as an acid-base indicator. which of these common household substances would turn blue litmus paper red? a) bleach b) lye c) soap d) vinegar
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Chemistry, 21.06.2019 21:00
Which of the following compounds does not contain molecules? question 2 options: co2 h2 nacl h2o
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Chemistry, 22.06.2019 05:50
Calculate the number of molecules present in 0.750 mol of mgo.
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Acertain shade of blue has a frequency of 7.16 × 1014 hz. what is the energy of exactly one photon o...
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