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WorksheetsDiagnostic Examination in General Chemistry 1
Total questions: 21
Worksheet time: 34mins
A classification of matter that is made up on only 1 type of particle is called
a heterogeneous mixture
a pure substance
a homogeneous mixture
a blender
Blood is a fluid found in the bodies of humans and other animals. It can be physically separated into plasma, red blood cells and white blood cells. Blood is a ___________________
pure substance
mixture
Aluminium foil is an example of a.....
What kind of physical property is this? Volume of Milk
intensive
extensive
(3.4 x 105)(1.2 x 10-3)
(6.9 x 107) / (2.3 x 10-3)
(2.1×102) × (3.0×104)
8.317 x 106
in standard form?
1.3 x 1020
2.9 x 1021
9.5 x 1032
8.4 x 1019
You know 1000 mg = 1 g. Convert 2.5 grams into milligrams.
25 mg
25,000 mg
250 mg
2500 mg
452.159 meters.
Round to the nearest thousandth.
Combining lemon juice and water produces lemonade. To make the lemonade taste better, one could add some sugar. Is lemonade-sugar combination classified as a compound or a mixture?? Explain your answer.
How can you tell the difference between an element and compound?
Which is colder, -110 degrees Celsius or 139 degrees Fahrenheit? Support your answer
Three experimental mass values for a certain object were obtained: 54.66g, 54.67g, and 54.668g. If the accepted mass is 54.6678, are the measurements precise or accurate? Explain your answers.
