Scientific Measurement Test Review
Quiz by Elle Leblanc
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- Q1
Determine number of sig figs: 510.
3
60s112.35.c.2.g - Q2
Determine number of sig figs: 1.00
3
60s112.35.c.2.g - Q3
Determine number of sig figs: 0.008100
4
60s112.35.c.2.g - Q4
Convert to standard notation: 6.32*10^3. Use the format x*10^y
63,200
6.32
632
6,320
60s112.35.c.2.g - Q5
Convert to standard notation: 7.1*10^-4
0.0071
7.1
0.00071
0.000071
60s112.35.c.2.g - Q6
Convert to scientific notation: 0.000350. Use the format x*10^y
3.5*10^-4
3.50*10^3
3.50*10^4
3.50*10^-4
60s112.35.c.2.g - Q7
Convert to scientific notation: 730,900,000. Use the format x*10^y
7.30*10^8
7.309*10^7
7.309*10^8
7.31*10^8
60s112.35.c.2.g - Q8
Which of the following is a physical change?
Dry ice subliming (solid -> gas) into carbon dioxide
Copper displacing gold in a reaction
Iron rusting when exposed to oxygen
Glucose being oxidized in the cell
60s112.35.c.4.a - Q9
Which of the following is a chemical change?
Cutting a sushi roll in half
Freezing water into ice
Liquid nitrogen changing to a gas
Cooking onions until they change color
60s112.35.c.4.a - Q10
Which piece of lab equipment gives the most accurate measurement of VOLUME, and what unit does it measure in?
electronic balance (scale) - liters
graduated cylinder - milliliters
Erlenmeyer flask - milliliters
beaker - milliliters
60s112.35.c.2.e - Q11
Which piece of lab equipment gives the most accurate measurement of MASS, and what unit does it measure in?
electronic balance (scale) - milligrams
electronic balance (scale) - grams
graduated cylinder - grams
electronic balance (scale) - kilograms
60s112.35.c.2.e - Q12
This graph depicts a(n) ____ relationship between product and reactant concentration.
inverse
no
direct
extrapolation
60s112.35.c.2.h - Q13
This graph depicts a(n) _____ relationship between mass of Mg and volume of H.
direct
no
interpolation
inverse
60s112.35.c.2.h - Q14
In this graph, the x-axis goes from 0 to 250. If you wanted to extrapolate, you would predict y given an x of...
225
90
150
275
60s112.35.c.2.h - Q15
How would you describe this metal QUALITATIVELY?
Very lustrous (shiny) and grey
Mass of 15.6 g
Volume of 7.5 cm3
Density of 2.1 g/cm3
60s112.35.c.2.e
