apch01_practest07 - South Pasadena AP Chemistry Name_...

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South Pasadena • AP Chemistry Name_____________________________________ Period _____ Date ___/___/___ 1•Matter and Measurement P R A C T I C E TEST 1. How many significant digits are present in the temperature read from the thermometer illustrated to the right? a) 1 b) 2 c) 3 d) 4 2. The dimensions of a rectangular solid are 8.00 cm long, 4.00 cm wide, and 2.00 cm high. If the density of the solid is 10.0 g/cm 3 , what is its mass? a) 10/64 grams d) 320 grams b) 10.0 grams e) 640 grams c) 64.0 grams 3. A metal sample weighing 30.9232 grams was added to a graduated cylinder containing 23.26 mL of water. The volume of water plus the sample was 24.85 mL. Which setup will result in the density of this metal? a) 30.9232 x (24.85-23.26) b) 26 . 23 85 . 24 9232 . 30 c) 9232 . 30 26 . 23 85 . 24 d) 30.9232 x 26 . 23 85 . 24 e) 26 . 23 85 . 24 9232 . 30 4. The number of significant digits in 0.30500 is a) 1 d) 4 b) 2 e) 5 c) 3 5. A box measures 3.50 cm x 2.915 cm. The product of these numbers = 10.2025 cm 2 . What is the proper way to report the area of the box?
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apch01_practest07 - South Pasadena AP Chemistry Name_...

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