問題一覧
1
Talonite alloy is the mixture of
co and cr
2
Shell ലെ electron വിന്യസം കണ്ടുപിടിക്കാനുള്ള equation
2n^2
3
Thallium discooved by
william crookes
4
Plutonium discoverd by
enrico fermi
5
Germanium discoverd by
clemens winkler
6
Beryllium discovered by
louis nicolas vauquelin
7
Baking soda chemical name
Sodium Bicarbonate
8
Washing soda chemical name
sodium carbonate
9
Slacked lime chemical name
calcium hydroxide
10
Quicklime chemical name
calcium oxide
11
Limestone chemical name
calcium carbonate
12
Blue vitriol chemical name
copper sulphate
13
Green vitriol chemical name
ferrous sulphate
14
White vitriol chemical name
zinc sulphate
15
Common salt or rock salt chemical name
sodium chloride
16
Glaubers salt chemical name
sodium sulphate
17
Mohrs salt chemical name
Farrous Ammonium Sulphate
18
Epsom salt chemical name
magnesium sulphate
19
Bleaching powder chemical name
calcium hypochlorite
20
Ajinomoto chemical name
monosodium glutamate
21
Tear gas chemical name
benzyl chloride
22
Aspirin chemical name
acetyle salicylic acid
23
Hypo chemical name
sodium thiosulphate
24
Salt of hartshorn chemical name
Ammonium carbonate
25
Pear ash chemical name
potassium carbonate
26
Hydrolith chemical name
calcium hydride
27
Quartz chemical name
Silicon dioxide
28
Laughing gas chemical name
nitrous oxide
29
Boyles law
at constant temperature volume is inversely proportional to pressure
30
Charles law
constant pressure volume is directly proportional to temperature
31
Gay lussac law
at constant volume pressure is directly proportional to temperature
32
Avogardos law
constant pressure and temperature volume of gas is directly proportional to number of molecules
33
Ideal gas equation
pv = nRT
34
Henrys law
the amount of gas dissolved in a liquid is proportional to its partial pressure above the liquid
35
Raoults law
partial vapour pressure of each component of a solution is directly proportional to its mole fraction present in the solution
36
Daltons law of partial pressure
total pressure exerted by the mixture is equal to some of partial pressure exerted by each elemant of that mixture
37
Temporary hardness of water is caused by
bicarbonates of calcium and magnesium
38
Permanent hardness of water is caused by
sulphate and chloride of calcium ans magnesium
39
How to remove permanent hardness of water
adding washing soda or by distillation
40
Spirit of salt എന്ന് അറിയപ്പെടുന്നത്
sulphuric acid
41
Muriatic acid എന്ന് അറിയപ്പെടുന്നത്
sulphuric acid
42
Acid found in gastric juice
hcl
43
Acid which helps digestion
hcl
44
Acid used in tanning and printing technology
hcl
45
Acid used in bathroom cleaner
hcl
46
Acid known as spirit of nitre
nitric acic
47
Acid known as aqua fortis
nitric acid
48
The acid which fumes on the expose with air
nitric acid
49
Acid which is used for check purity of gold
nitric acid
50
Acid which is used for purification of gold and silver
nitric acid
51
Acid which is used in TNTand TNB
nitric acid
52
Acid which found in rain water
nitric acid
53
Acid which is known as oil of viriol
sulphuric acid
54
Acid which is known as king of chemicals
sulphuric acid
55
Acid which is used in storage battery
sulphuric acid
56
Acid which is used in manufacturing of dynamite
sulphuric acid
57
Acid which is used in refining of oil
sulphuric acid
58
Acid which is used in treatment of waste water
sulphuric acid
59
Acid which is used manufacturing of hcl
sulphuric acid
60
Acid which is used in manufacturing of alum
sulphuric acid
61
Manufacturing of sulphric acid is called
contact process
62
Contact process nde speed കൂട്ടാൻ വേണ്ടി ചേർക്കുന്ന catalist
vanedium pendoxide
63
Venadium pen dioxide nde chemical formula
v2 o5
64
Acid nde പേരോടുകൂടിയ base
boric acid
65
Acid + base gives
salt + water
66
Metal oxide or magnisum oxide ൽ water add cheythaalulla change
mgo+h2o = mg (oh)2
67
Dilute acid + metal gives
hydrogen + salt metal ഏത് വേണമെങ്കിലും ആവാം
68
What is salinity
amount of salt in grams present in 1000gm water
69
Neutralisation വഴി കിട്ടുന്ന salt ഏതെല്ലാം
sodium iodate, sodium carbonate, potassium nitrate, bleaching power, sodium benzoate
70
Oxalic acid അടങ്ങിയ fruits
tomato, banana, onion, chocolate, spinach
71
Acid present in grape
tartaric acid
72
Acid present in tamarind
tartaric acid
73
Acid present in appple
malic acid
74
Acid present in oil
stearic acid
75
Acid present in fat
stearic acid
76
Acid present in tea
tannic acid
77
Acid present in honey bee
formic acid
78
Acid present in ant
formic acid
79
Acid present in soda water
carbonic acid
80
Acid present in soft drinks
carbonic acid
81
Acid present in orange
citric acid
82
Acid present in lime
citric acid
83
Acid present in milk
lactic acid
84
Acid present in curd
lactic acid
85
Acid present in vinegar
acetic acid
86
Acid present in aspirin
acetyl salicylic acid
87
Acid present in urine
uric acid
88
Colorific value of petrol
45000kj/kg
89
Kerosene calorific value
45000kj/kg
90
Cng calorific value
50000 kj/kg
91
Methane calorific value
50000 kj/kg
92
Lpg calorific value
55000 kj/kg