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Heterogeneous Mixture, Chunky Consistency, Composition, Scientific Units, Instrumentation, Numerical, Significant Figures, Number of Zeroes, Scientific Notation, Mathematical Manipulation are the important key points of quiz slides of Chemistry.
Typology: Exercises
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a. A mixture composed of both elements a compounds b. A mixture with a chunky consistency c. A mixture that does not have a constant composition throughout d. A mixture that cannot be separated
a. Units provide a scale by which the measurement can be understood.
b. The units indicate how many decimal places are in the measurement.
c. Units are used to indicate a measurement that is qualitative.
d. The units of a measurement are the numerical values recorded from a piece of scientific instrumentation. Docsity.com
a. It is convenient method for preventing ambiguity in a measurement.
b. It simplifies the mathematical manipulation of very large and very small numbers.
c. It does not allow for the use of zeroes in reporting significant figures.
d. It allows more than one number to the left of the decimal point.
a. They don’t change the intrinsic value of a measurement.
b. They do change the scale (units) of a measurement.
c. They don’t change the number of significant figures in a measurement.
d. They are equivalent to multiplying a measurement by one.