Which of the following is a pure substance?
pizza
pizza
salt (NaCl)
salt (N...
Answers: 3
Chemistry, 22.06.2019 03:00, Dkhaurithompson
Zoe is investigating the composition of substance a, an unknown substance. using chemical processes, she analyzes substance a and determines it is composed of sodium, oxygen, and hydrogen atoms in a ratio of 1 : 1 : 1. what is substance a? a. a compound b. an element c. a heterogeneous mixture d. a homogeneous mixture
Answers: 1
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How does climate change cause the ocean's thermohaline current to slow down?
Answers: 3
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Which diagram represents the phase tha occurs after a solid melts?
Answers: 1
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