Which of the following is a chemical change ?
boiling of water
melting a cube of ice <...
Chemistry, 01.02.2020 07:45 Deavionaaaaa
Which of the following is a chemical change ?
boiling of water
melting a cube of ice
dissolving 10 grams of salt in water
splitting water into hydrogen and oxygen
Answers: 2
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Bohr's model could only explain the spectra of which type of atoms? single atoms with one electron single atoms with more than one electron bonded atoms with one electron bonded atoms with more than one electron
Answers: 2
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Apiece of metal with a length of 1.42 cm was measured using four different instruments. which of the following measurements is the most accurate?
Answers: 3
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