Chemistry Part 2 - Answers

Chemistry Part 2 - Answers;

1 - Analysis

2 - Reagent

3 - Alkali

4 - Transition elements

5 - Precipitation

6 - Cu(OH)2  ( copper hydroxide)
7 - Al2O3     (Alumina)
8 - Cu ,Au
9 - Al
10 - Zn(OH)2 , Al(OH)2 ( Zinc hydroxide ,Aluminium hydroxide )
11 - PbO
12 - Ammonium ion
13 - AgCl
14 - Ammonium Chloride
15 - Lead nitrate
16 - NaOH
17 - Ammonia
18 - Amphoteric
19 - Absolute scale OR kelvin scale
20 - Limiting reagent
21 - Empirical formula
22 - Ammonium carbonate
23 - Hydrogen , Copper
24 - Ammonium ion
25 - Cathode
26 - Carbon
27 - Ammonium hydroxide
28 - Anode
29 - Silica
30 - Electroplating
31 - Bromine
32 - Lead
33 - Gallium ,Hg ,Na , K
34 - Carbon ,Boron , Silicon
35 - Sodium , Potassium
36 - Sodium , Potassium
37 - Tungsten
38 - Carbon fibre
39 -Carbon ,Phosphorus
40 - Zinc , Mercury
41 - Hydrogen
42 - Mercury , Gallium
43 - Hydrogen , Calcium , Barium
44 - Copper carbonate , Copper hydroxide
45 - Zinc , Iron ,Copper
46 - Ag2S
47 - [Pb(OH)2.2PbCO3]   Mixture of lead hydroxide and lead carbonate
48 - Rusting
49 - Corrosion
50 - Gangue or Matrix
51 - Ores
52 - Flux
53 - Smelting
54 - Roasting
55 - Calcination
56 - SPIEGEL
57 - Aluminium
58 - Nitric acid
59 - Aluminothermy
60 - Alloys 
61 - Copper oxide
62 - HCl and NH3  white solid is Ammonium chloride
63 - Hydrogen , and Oxygen 
64 - Zinc chloride
65 - Aqua regia   (mixture of nitric acid and hydrochloric acid)
66 - Fountain experiment
67 - HCl ,HClO
68 - Toluene