separating mixtures/ sf
問題一覧
1
process requires a filtering medium(filter paper) that traps insoluble substancez while allowing the liquid containig the soluble substances to go through
filtration
2
solid component that remains on the filter thing
residue
3
liquid collected from filtration
filtrate
4
process used to separate the components of mixtures based on their varying weightz
sedimentation
5
process of separating liquid from solid by pouring out the liquid to another container
decantation
6
process of directly turning solid to gas
sublimation
7
process of separating solid to liquid/solvent
evaporation
8
separation of mixtures through continuous cycle of evaporation and condensation
distillation
9
simble but efficient technique used to separate and identify components of a mixture
chromatography
10
refers to how close the measured value to a standard value
accuracy
11
refers to how close to one another the measured values in a series
precision
12
pertain to the digits/figures that are certain to give reasonable and reliable information
significant figures
13
helpful in attaining a level of certainty when expressing a calculated quantity
significant figures
14
all non zero digits(1-9) are significant
true
15
zeros to the left of the first non zero is not significant (0.56)
true
16
zeros between nonzero digits are significant. (2.05 and 708)
true
17
zeros to the right of a nonzero digit with a decimal is significant. (7.80 and 4.0)
true
18
zeros at the end of a nonzero digit w/o a decimal point are not significant (900)
true
19
60
significant
20
least decimal places
add/subtract
21
least number of significant figures
multiply/divide
問題一覧
1
process requires a filtering medium(filter paper) that traps insoluble substancez while allowing the liquid containig the soluble substances to go through
filtration
2
solid component that remains on the filter thing
residue
3
liquid collected from filtration
filtrate
4
process used to separate the components of mixtures based on their varying weightz
sedimentation
5
process of separating liquid from solid by pouring out the liquid to another container
decantation
6
process of directly turning solid to gas
sublimation
7
process of separating solid to liquid/solvent
evaporation
8
separation of mixtures through continuous cycle of evaporation and condensation
distillation
9
simble but efficient technique used to separate and identify components of a mixture
chromatography
10
refers to how close the measured value to a standard value
accuracy
11
refers to how close to one another the measured values in a series
precision
12
pertain to the digits/figures that are certain to give reasonable and reliable information
significant figures
13
helpful in attaining a level of certainty when expressing a calculated quantity
significant figures
14
all non zero digits(1-9) are significant
true
15
zeros to the left of the first non zero is not significant (0.56)
true
16
zeros between nonzero digits are significant. (2.05 and 708)
true
17
zeros to the right of a nonzero digit with a decimal is significant. (7.80 and 4.0)
true
18
zeros at the end of a nonzero digit w/o a decimal point are not significant (900)
true
19
60
significant
20
least decimal places
add/subtract
21
least number of significant figures
multiply/divide