問題一覧
1
Most reactive element
f
2
Equal to the atomic number
proton
3
Atomic number - charge
electron
4
Entropy is positive
spontaneous
5
Entropy is negative
non spontaneous
6
Heat is absorbed
endothermic
7
Heat is realeased
exothermic
8
Least stable vitamin
ascorbic acid
9
B3 Pellagra/ hartnup disease
niacin
10
Most toxic vitamin
vitamin a
11
B9 Teratogenic Spina bifida, neural tube defect, megaloblastic anemia
folic acid
12
Oil of vitriol
sulfuric acid
13
Zinc sulfate heptahydrate
white vitriol
14
Cupric sulfate pentahydrate
blue vitriol
15
Ferric sulfate heptahydrate
green vitriol
16
Difference in specific gravity/ density
decantation
17
Centrifugation
density
18
Difference in boiling point
distillation
19
Mechanical separation
sorting
20
Use of semi permeable membrane
filtration
21
Difference in solvent affinity
chromatography
22
Not aluminum containing
borax
23
Lightest metal
lithium
24
Purple solution with sodium bismuthate
manganese
25
Kalium durules
potassium chloride
26
Salt of tartar
potassium carbonate
27
Used to correct metabolic alkalosis
cacl2
28
Aquamarine
beryl
29
Sodium borate
borax
30
Primary of caco3
marble
31
Positive electrode
cathode
32
Negative electrode
anode
33
Positive ion
cation
34
Negative ion
anion
35
Symbols of the element
chemical formula
36
Provides the placement of the bonds
structural formula
37
Actual number of atoms
molecular formula
38
Provides the ratios of different atoms in a compound
emperical formula
39
Increases top to bottom, right to left
atomic radius
40
Ability to scatter light
tyndal effect
41
Zigzag motion
brownian movement
42
Adhere to surfaces
adsorption
43
Nernst and zeta potential
charged electrically
44
Dithizone test
zn
45
Gutzeit test
as
46
Deniges test
nh4
47
Lunge test
no3
48
Greiss assay test
no2
49
Most important lead mineral
lead sulfide
50
Galena
lead sulfide
51
Lead carbonate
white lead
52
Lead subacetate
basic lead
53
Letharge
lead monoxide
54
Negative log of ion concentration
ph
55
Phenol is classified as
secondary alcohol
56
Ethyl alcohol/ ethanol is classified as
primary alcohol
57
2 propylpentanoic acid
valproic acid
58
Cnh (2n+2)
alkanes
59
Cnh (2n)
alkenes
60
Cnh (2n-2)
alkynes
61
Meta xylene
1,3
62
Orthoxylene
1,2
63
Para xylene
1,4