Chemistry is one of the sections SSC ask questions from. Today we'r sharing some important one liners for your ease. These One Liners are very useful for various exams like SSC CGL , SSC MTS, SSC CPO etc.
credit:teckallrounder
Note: if you find any error please inform us immediately.
1: Tube light is filled with? – Mercury Vapour & Argon
2: Other name of “FOOL’S GOLD” is? – Iron Pyrite
3: Non-stick coating in utensils is of? – TEFLON
4: Compounds responsible for temporary hardness of water? – Bicarbonates of Calcium and Magnesium
5: Compounds responsible for permanent hardness of water? – Sulphates and Chlorides of Calcium and Magnesium
6: Gases used for ripening raw fruits? – Ethylene & Acetylene
7: Main ore of Mercury is? – Cinnabar
8: Egg shell is made up of? – Calcium Carbonate
9: ______ is known as Artificial Silk. – Reyon
10: Water soluble Vitamins – B & C
11: Fat Soluble Vitamins – A, D, E & K
.
Common preservative in food processing industry is? – Benzoic Acid
12: First organic compound synthesized in laboratory & by whom? – Urea by Friedrich Wöhler
13: What blackens silver’s shine? – Ozone Gas
14: Substance used in Cancer treatment? – Cobalt – 60
15: Cobalt is found in? – Vitamin B12
16: Iron is extracted from which ore? – Hematite
17: CHECK TOP PHYSICS GK IN ONE LINER
18: Aluminum is extracted from which ore? – Bauxite
19: Copper is extracted from which ore? – Copper Pyrite
.
Chemical name of ‘Washing Soda’ is? – Sodium Carbonate
20: Gases used in welding are _______? – Acetylene & Oxygen
21: Gases used by sea divers for breathing are ____? – Oxygen & Helium
22: Best sources for Vitamin D are? – Sunlight & Fish liver
23: Zinc Phosphide is used as? – Rat Poison
24: Fuse wire is made up of ______ – Lead and Tin
25: Purest form of Iron is? – Wrought Iron
26: Radium is extracted from ______ . – Pitchblende
27: Which agent is as ‘seed’ in artificial rain? – Silver Iodide
28: Oxides of metals are ______ . – Alkaline
29: During the process of ‘rusting’ , the weight of iron ______ . –Increases
30: ______ (metal) is liquid at room temperature. – Gallium
31: CHECK GK SOIL OF INDIA
32: ______ is used to prepare fire proof and water proof clothes. – Calcium hydride
33: Galvanised iron is coated with? – Zinc
34: Chemical name of Chromic Acid is? – Chromium trioxide
35: Which metal is used in Photoelectric cell? – Selenium
36: Barium Hydroxide is also known as? – Baryta Water
37: ______ elements are non-metal. – Electronegative
38: __________ is known as heavy water and used in nuclear reactor as moderator. – Deuterium Oxide (D2O)
39: Deuterium is ______ of Hydrogen. – Isotope
40: Ozone is _______ of Oxygen. – Allotrope
41: Ammonia (NH3) is synthesized through? – Haber’s Process
42: Chlorine is used to prepare _________ – PVC, Insecticides,
43: Which catalyst is used for the synthesis of Vanaspati Ghee? –Nickle (Ni)
44: Which catalyst is used for the synthesis of Sulphuric Acid by Contact Process? – Platinum (Pt)
45: Chemical name of Picric Acid is? – Tri Nitro Phenol
46: ______ is known as laughing gas? – N2O
47: Chloroform in sunlight forms poisonous gas ________ . – Phosgene
48: Platinum is also called _____ . – White Gold
49: Which material is used in making of safety matches? – Red Phosphorous
50: Nail polish remover contains? – Acetone
51: Which acid is present in Orange? – Citric Acid
52: Lead pencil contains _____ . –Graphite
.
Which gas is used in filling electric bulbs ______ ? – Argon
53: Lightest metal? – Lithium
54: Acid rain is due to air pollution by? – Nitrous Oxide & Sulphur dioxide
55: Ozone is _______ . – Diamagnetic
56: Petroleum is found in ______ . – Sedimentary Rocks
57: All noble gases are? – Colourless and Odourless
58: The most abundant element in the earth’s crust is ? – Oxygen
.
The lustre of a metal is due to _______ . – Presence of free electrons
59: Which gas is used in fire extinguisher? – carbon dioxide
60: CHECK BLOOD CIRCULATION GK
61: Which gas is used in cigarette lighters? – Butane
62: Biogas chiefly contains ______ . – Methane
63: Chemical used as fixer in Photography is ______ . – Sodium thiosulphate
64: Aspirin is ______ . – Acetyl Salicylic Acid
65: _____ is also known as ‘Stranger Gas.’ – Xenon
66: Natural rubber is a polymer derived from ______. – Isoprene
67: ‘Oil of Vitriol’ is ______ . – Sulphuric acid
68: Paper is chemically _______ . – Cellulose
69: Impurity present in ore is ________ . – Gangue
70: Which is known as ‘Metal of Future’ ? – Titanium
71: Efficiency of the catalyst depends on its? – Molecular State
72: Most of the explosions in mines occurs due to mixing of ______ . – Methane with air
73: Vinegar is an aqueous solution of ______ . – Acetic acid
74: Kerosene is a mixture of _____ . – Aliphatic hydrocarbons
75: The important metal used with iron to produce stainless steel is _____ . – Chromium
76: Which gas is responsible for the swelling of bread? – Carbon dioxide
77: The metal constituent of chlorophyll is _____ . – Magnesium
78: CHECK NERVOUS SYSTEM GK QUESTION
79: Which acid is used for etching glass? – Hydrofluoric acid (HF)
80: Paraffin wax is _________ . – Saturated hydrocarbon
81: Solder is an alloy of _____ . – Tin and Lead
82: Alum is used as – A purifier for water
83: Nuclear fuel in the sun is ______ . – Helium
84: Dead organisms are transformed into petroleum and natural gas ______ . – Absence of air
85: Organic Compounds are only soluble in _____ . – Non-polar solvents.
86: Which acid is used in soft drinks? – Carbonic acid (H2CO3)
87: Which acid is present in Bee Sting? – Methanoic Acid
88: Tooth enamel is made up of ______ . – Calcium Phosphate
89: The name ‘catalyst’ was given by _____ . – Berzilius
90: A polymeric substance used to make parachute is _____ . – Viscose
91: What is used to avoid melting of ice? – Gelatine
92: Carbon occur in the nature in the purest form as? – Diamond
93: Oxidation is defined as —– – Loss of electrons
94: In nuclear reactor, chain reaction is controlled by using _____ . – Cadmium rod
95: The radioactive element most commonly detected in humans is _____ . – Potassium – 40
96: Hydrogen bomb is based on the principle of _____ . – Nuclear fusion
97: The ultrapure metal is obtained by _____ . – Zone refining
98: Most abundant metal in earth’s crust is ______ . – Aluminium
99: Balloons are filled with _____ . – Helium
100: The element common to all acids is _____ . – Hydrogen
