Chemistry, 14.02.2021 05:20 orozcoalbeert
Water is a pure substance. Which of the following is true about water?
A. Its compounds can only be chemically separated into the elements that make it up.
B. Its compounds can only be physically separated into the elements that make it up.
C. It is made up of a variety of compounds, each with a different set of properties.
D. It is made up of one element and one compound, each with the same properties.
Answers: 2
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What is the formula for the compound dinitrogen pentoxide? a. n4o5 b. n5o4 c. n4o6 d. n5o2 e. n2o5
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Afusion reaction takes place between carbon and another element. neutrons are released, and a different element is formed. the different element is a) lighter than helium.b)heavier than helium.c)the same weight as helium.d)dependent on the element that reacted with carbon.
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Water is a pure substance. Which of the following is true about water?
A. Its compounds can only be...
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