If you are looking for questions related to chemistry for the competitive exams. You are at the right place, Here we have listed the most repeated Gk question and answer for Chemistry.
Are you an aspirant for the Railways and SSC exams? Then go through this Top 100 chemistry question and answer of GK, it will surely help you in your preparation.
More chemistry gk questions will be added later in this article. You can visit our English Gk question and answer page for the previous year’s most repeated question of all the subjects of GK.
List of Most repeated questions along with answers in Chemistry
What is the name of that system which uses radioactivity to decide the period of materials?
Which metals pollute the air of a city with a large number of automobiles?
What is the Chemical name for baking soda?
Which gases are present under pressure in soft drinks?
Which element is commonly used in nuclear for producing electricity by nuclear fission?
Table salt gets moist during the rainy season. Why?
Because sodium chloride contains hygroscopic impurities like magnesium chloride.
Which is used as a lubricant in heavy machines?
Who developed the Hydrogen Bomb?
Who developed the atom bomb?
J. Robert Open Heimer
Galvanization is the :
deposition of zinc on iron
Milk tastes sour when kept in the open for sometime due to the formation of which acid?
What is the “milk of magnesia” chemical name?
Bronze is an alloy of
Copper and Tin
Which is chiefly present in LPG (Liquefied Petroleum Gas)?
Which elements are found in the maximum percentage in the human body?
Bauxite is an alloy of which of the following metals?
Which is abundant in Gobar gas?
Formation of the ozone hole is maximum over which part of the earth?
What are the fundamental particles present in the nucleus of an atom?
Proton and neutron
Which gas is used for artificial fruit ripening of green fruit?
PVC is obtained by the polymerisation of which compound?
Which is the purest form of iron?
Which metals form an amalgam with other metals?
Which of the following is used in making smoke bombs?
German silver is an alloy of which elements?
zinc, copper and nickel
What is the chemical name of Tear gas?
Which compounds is commonly used as an antiseptic in mouthwashes and toothpastes?
Which polymeric substance used for making parachute?
Which metal used in printing press?
It is an alloy of lead and antimony
Sour taste of Coca Cola is due to the presence of which acid?
Bhopal gas tragedy is associated with leakage of which chemical?
Which substance most commonly used as a food preservative?
sodium salt of benzoic acid
Alum stops bleeding in minor cuts because of
Plaster of Paris is made by partial dehydration of
By which process water can be separated from alcohol water mixture?
Which organic compounds has a fruity smell?
What material is used to make an electric heater coil ?
Vulcanization of rubber is carried out by adding which element?
Which gas is used as a fire extinguisher?
Which is most abundant inert gas in the atmosphere?
Which metal is extracted from seawater?
What is the use of graphite in nuclear reactors?
Detergents works by which principle of cleaning the surface?
Ammonia is a mixture of of which element?
aluminium powder and ammonium nitrate
What is Aqua regia?
It is a 1:3 mixture by volume of conc. nitric acid and cone hydrochloric acid
Zinc sulphide is commonly used for which purpose?
What is the chemical name of Aspirin?
Litmus is obtained from
The tip of the matchstick contains which chemical?
Where is National Chemical Laboratory located ?
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