Chemistry (Part-II)

UPSC, PSC, BANK, RAILWAY,etc. Examination Questions

PSC Question and Answer about Chemistry (Part-II) including for Kerala Administrative Service (KAS), Secretariat Assistant, Panchayath Secretary, BDO, Auditor, Assistant, LDC and LGS examination level questions. We will update balance portion of the study material.....

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Question1:- Oxygen family is ----- group



16 th


Question2:- Noble Gases belong to ----- group



18 th


Question3:-Carbon ,Silicon and Germanium are -------



Metalloid


Question4:-The most abundant element in Plants



Carbon


Question5:- The constituent of all protein molecules



Nitrogen


Question6:- Colour of liquid oxygen



Blue


Question7:- Example of neutral solution



Water


Question8:- Chemical Property of a substance is determined by



Electrons


Question9:- Raw materials used in the Manufacturing of Glass is



Sand


Question10:-Bronze is not a ------- metal



Pure


Question11:-Wax is soluble in



Benzene


Question12:- Acid contains in onion



Oxalic Acid


Question13:- Elements obtained from sea weeds



Iodine


Question14:- What is added to Gold to make ornaments



Copper


Question15:-Element essential for the functioning of Thyroid Gland



Iodine


Question16:-What is known as 'Fools Gold'



Iron Pyritis


Question17:-Sodium ----- in water



Floats


Question18:- The gas obtained from the cow dung



Methane


Question19:-The most abundant organic compound in nature



Cellulose


Question20:-The water in which soap does not lather easily because of the presence of certain chemicals, known as



Hard Water


Question21:- The rarest element



Astastine


Question22:- The setting of plaster of Paris involves ------ process



Oxidation


Question23:- The glass used to make wind shields of motor vehicles



Safety Glass


Question24:- Alcohol obtained through the -------- of sugar solution is Ethanol



Fermentation


Question25:- -------% of Acetic acid is known as Glacial Acetic Acid



100


Question26:-The modern and most effective method to separate different components of a mixture is known as



Chromatography


Question27:- The conversion of substance directly from solid to vapor is called



Sublimation


Question28:- The deposition of the metal on another by electric current



Electro plating


Question29:- The method used to obtain alcohol from Molasses is called



Fermentation


Question30:- The production of hydrogen by the catalytic reduction of steam with carbon monoxide at 500 degree celsius is known as



Bosch Process


Question31:-The process in which Ammonia is prepared by combining Nitrogen and Hydrogen



Haber Process


Question32:-The process through which Sulphuric Acid is prepared is known as



Contact Process


Question33:- The process through which Baking Soda/ Washing Soda is prepared



Solvey Process


Question34:-The process used to extract Silver and Gold is called



Cyanide Process


Question35:- The process through which Nitric Acid is prepared is known as



Ostwald Process


Question36:- Reduction of iron oxide to iron using aluminium is called



Aluminotermic Process


Question37:- The strongest radio active element is



Radium


Question38:- Gaseous radio active element is



Radon


Question39:- Unit of radio activity



Becquerel


Question40:- Simplest radio active atom is



Tritium


Question41:-Tritium is a ---- emitter



Beta


Question42:- The daughter element of Tritium is



Helium -3


Question43:- Age of fossil can be calculated by radio carbon dating using ---------



Carbon 14


Question44:- Wine dating can be done by using -----



Tritium


Question45:-The isotope used for the Cancer treatment is



Cobalt -60


Question46:- ------ is used for the treatment of Leukemia .



Gold -198


Question47:- Angiogram test is done by using ------



Sodium -24


Question48:-During Beta Emission , ----is produced



Isobars


Question49:- Bone Cancer can be diagnosed by using --------



Phosphorous -32


Question50:- ------- is used for the treatment of Hyper Thyroidism



Radioactive Iodine (Iodine -131)


Question51:-Amyl acetate has the smell of --------



Banana


Question52:- Volume of Liquid is measured in ------



Litres


Question53:- The material used for the bomb dropped in Nagasaki



Plutonium


Question54:- Which human organ is first affected by nuclear radiation



Brain


Question55:- Which metal contributes the largest portion of the mass of Earth



Iron


Question56:-Which element has the largest atom



Caesium


Question57:- The path of electron around the nucleus



Orbit


Question58:-Atomic number of Nitrogen



7t


Question59:-Plant ash contains



Potassium


Question60:- Sodium Citrate is used as a -------



Food Preservative


Question61:- Which is added to Petrol in cold countries to avoid freezing



Ethylene Glycol


Question62:- Which gas is commercially produced through Bosch Process



Hydrogen


Question63:- The main constituent of Cellulose



Carbon


Question64:- Chemical Property of a metal is determined by



Electrons


Question65:- The Isotope used for the treatment of Cancer



Cobalt -60


Question66:- Which is known as 'Artificial Silk'



Rayon


Question67:- The first organic compound prepared in the laboratory



Urea


Question68:- Which is added to Petrol to reduce knocking



Tetra Ethyl Lead


Question69:- Which metal is used to make the covering of nuclear reactors



Lead


Question70:- The most abundant mineral in sea water



Chlorine


Question71:- The mineral added to cement to adjust the duration of setting



Gypsom


Question72:-Which element has the smallest atom



Hydrogen


Question73:- The lowest reactive metal



Gold


Question74:-The gaseous element with the highest density



Radon


Question75:- The non reactive gas abundant in the universe



Helium


Question76:-The colour of Ozone



Blue


Question77:- The gas that is expelled by the plants at night



Carbon Di Oxide


Question78:-The acid that contains in the Ants



Formic Acid


Question79:- The abundant element in Petrol



Carbon


Question80:- The main factor of Natural Gas



Methane


Question81:-Petroleum is formed from -----



Fossils


Question82:-Acetyl Salycilic Acid is the chemical name of -------



Aspirin


Question83:-The pH value of blood is



7.4


Question84:-The acid that contains in the Tamarind



Tartaric Acid


Question85:- The gas that causes the fading of the coluor of Taj Mahal



Hydrogen Sulphide


Question86:-The gas that is use to clean the Water



Chlorine


Question87:-The number of atoms in Ozone



Three


Question88:- The main gas that causes Green House Effect



Carbon Di Oxide


Question89:- The solid Carbon Di Oxide is known as



Dry Ice


Question90:- The Gas that is used in the Refrigerators



Freon


Question91:-The second most abundant element in the atmosphere of the Earth



Oxygen


Question92:- The most abundant gas in the atmosphere of the Venus



Carbon Di Oxide


Question93:- The gas that solves in Water



Amonia


Question94:-The hormone in the form of Gas



Ethylene


Question95:- The gas that is used in the balloons for Weather Forecasting



Helium


Question96:-The amount of Silver contained in the German Silver



No Silver


Question97:- The metal used to make the parts of Airoplanes



Palledium


Question98:-The Laughing Gas



Nitrus Oxide


Question99:- The acid that contains in the urine



Uric Acid


Question100:- The most uncommon gas in the atmosphere of the Earth



Radon