問題一覧
1
Solder alloy of
pb and sn
2
എന്തിന്റെ എല്ലാം mixture ആണ് coal gas
carbon monoxide + hydrogen + methane
3
Potassium ore
nitre, carnalite
4
Dolomite formula
caco3 mgco3
5
Cyanide process
noble metals
6
Gypsam formula
caso2 2h20
7
Common salt formula
Nacl
8
Cadmium ore
greenocite
9
Electrum alloy of
Au and Ag
10
Sodium ores
chile saltpeter, borax, common salt
11
എന്തിന്റെ എല്ലാം mixture ആണ് gobar gas
methane + carbon dioxide
12
Ostwald process
nitric acid
13
Bronze alloy of
cu and sn
14
എന്തിന്റെ എല്ലാം mixture ആണ് LPG
butane + propane
15
Nichrome alloy of
ni and cr
16
Gold ore
calaverite, silvenite
17
Gypsam convert to form
plaster of paris
18
Duralumin alloy of
Al, Cu, Mg, and Mn
19
Haber process
ammonia
20
Tin ore
casseterite
21
Corundum formula
Al2o3
22
Magnalium alloy of
Al and Mg
23
Rolled gold alloy of
cu and al
24
Aluminium ore
bauxite, corundum, cryolite
25
Black gold
petrolium, pepper
26
Brass alloy of
cu and zn
27
Down's process
sodium
28
Copper ore
cuprite, Azurite, copper glance, copper pyrite
29
Dow process
mg
30
Hall heroult process
aluminium
31
Bessemer process
steel
32
Silver ore
ruby silver, horn silver
33
എന്തിന്റെ എല്ലാം mixture ആണ് phosgene
carbon monoxide + chlorine
34
Down's process
sodium
35
എന്തിന്റെ എല്ലാം mixture ആണ് producer gas
carbon monoxide +hydrogen + nitrogen
36
Lead ore
galena
37
എന്തിന്റെ എല്ലാം mixture ആണ് water gas
carbon monoxide + hydrogen
38
Black diamond
coal
39
Bosch process
hydrogen
40
Blue gold
water
41
Calcium ore
dolomite, calcite, gypsum
42
Plaster of paris chemical formula
caso4 1/2 h20
43
Mercury ore
cinnabar
44
Stainless steel alloy of
Fe, Cr, Ni, C
45
Fools gold
iron pyrites
46
Iron ore
haemetite, magnetite, lemonite, siderite, iron pyrite
47
acid precent in tradional battert
sulphuric acid
48
Contact process
sulphuric acid
49
Titanium ore
llmenite
50
Manganese ore
pyrolusite
51
Magnesium ore
dolomite, epsom salt
52
Zinc ore
calamine, zinc blende, zincite
53
Epsom salt formula
mgso4 7h20
54
Thorium ore
monozite
55
Gun metal alloy of
cu, sn, zn
56
എന്തിന്റെ എല്ലാം mixture ആണ് natural gas
methane + others