Chemistry Part - IV

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

PSC Question and Answer about Chemistry Part - IV 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.....

Question1:- Azurite is the Ore of



Bronze


Question2:- The metal which is the most dangerous to Human Beings



Lead


Question3:- 'Na' indicates which element



Sodium


Question4:- The object which has the lowest density



Hydrogen


Question5:- The metal which shows the characteristics of both Acid and Alkaline



Aluminium


Question6:-The Isotope used for the treatment of Cancer



Cobalt -60


Question7:-Artificial Silk is called



Rayon


Question8:- ----- is added to the Gold during Ornaments making



Bronze


Question9:- The raw material used in the Glass Manufacture



Sand


Question10:- Which chemical is called 'Smelling Salt '



Ammonium Carbonate


Question11:- The chemical used for the manufacturing of Thermo Meters



Pyrex Glass


Question12:-The number of Groups in the Periodic Table



18


Question13:- Cobalt Ions gives ------ colour to Glass



Blue


Question14:-The components of Sugar



Carbon,Oxygen and Nitrogen


Question15:- The colour of Liquid Oxygen



Blue


Question16:-The Gas produced from Gobar



Methane


Question17:- Fool's Gold



Iron Pyrites


Question18:-Detain Number is used to indicate



The quality of Diesel


Question19:-The electrolyte used in Dry Cell



Ammonium Chloride


Question20:--------- is a food preservative



Sodium Benz-ovate


Question21:- Ethyl Buterite has the smell of --------



Pine Apple


Question22:- The chemical formed in the atmosphere during the Lightening



Nitric Oxide


Question23:-Mono Sodium Glutamite is also known as



Ajinomotto


Question24:- Who named Hydrogen Gas



Lavoisier


Question25:-The second most malleable metal



Tungsten


Question26:-The most electro -positive element



Francium


Question27:- The heaviest Gas



Uranium Hexa Fluoride


Question28:-The chemical which makes Silver Ornaments Black Coloured



Hydrogen Sulphide


Question29:- The chemical used by USA during the Vietnam War



Agent Orange


Question30:-Trinitrotoluene (TNT) is a ------



Explosive


Question31:- Methanoic Acid is another name for



Formic Acid


Question32:- Alkali Metals are included in ------- Period



First


Question33:-Ethanoic Acid is another name for



Acetic Acid


Question34:- The whitest object



Titanic Dioxide


Question35:-Which element is extracted through Dow Process



Magnesium


Question36:- The element found in the rocks of the Moon



Titanium


Question37:- The chemicals used to lower body temperature



Anti Pyratic


Question38:------is known as Green Vitriol



Ferrous Sulphate


Question39:- The chemical used in Swimming Pools as bleaching agent



Chlorine


Question40:-Which is called Chinese Salt



Ajinomotto


Question41:- The Chemical used in Non Stick Vessels



Teflon


Question42:- Calsium Magnesium Silicate is the chemical name for



Asbestoes


Question43:- Benedict Solution is used to detect the presence of ------



Glucose


Question44:-The chemical used during Hypnotism



Barbituric Acid


Question45:- The chemical name for rock salt



Sodium Chloride


Question46:- The chemical name of Borax .



Sodium Borate


Question47:- Sidanaphil Citrate is known as



Vayagra


Question48:- The second common element in the Earth Crust



Silicon


Question49:- Who invented Hydrogen Bomb



Edward Teller


Question50:- Who discovered Hydrogen



Henry Cavandish


Question51:- Who invented Electrolysis



Michael Faraday


Question52:- ------is used to Starch Test



Iodine


Question53:- The type of Iodine used as Medicine



Tincture Iodine


Question54:- The contents of Tincture Iodine



Iodine and Alcahole


Question55:- The Isotope used to detect the Brain Tumor and the functioning capacity of Thyroid Gland is



Iodine -131


Question56:- The colour of Iodoform



Yellow


Question57:- Who discovered Iridium



Smithson Tennant


Question58:-The second densest Metal



Iridium


Question59:- The metal used to manufacture the nib of a Pen



Iridium


Question60:-The least corrosive metal is



Iridium


Question61:-The metal which is known as Rainbow Metal



Iridium


Question62:- The most abundant metal in the Universe



Iron


Question63:- The most abundant metal in the Earth Crust



Aluminium


Question64:- The second most abundant metal in the Earth Crust



Iron


Question65:- The ores of Iron



Hematite and Magnetite


Question66:-The atomic number of iron



26


Question67:- The Latin name of Iron



Ferrum


Question68:-The symbol used in the Periodic Table to indicate Iron



Fe


Question69:- The most abundant metal in the Earth



Iron


Question70:- The second most abundant metal in the Earth Crust



Earth


Question71:-The most abundant metal in the Earth Crust



Aluminium


Question72:-The highest contribution to the weight of Earth is from the metal -----



Iron


Question73:- The Iron compound used for making the Ink is



Ferrous Sulphate


Question74:------ is used for the manufacturing of Electric Magnet



Pig Iron


Question75:- The fool's Gold, Iron Pirates is also known as



Iron Sulphide


Question76:- The red coloration of soil is due to the presence of -----



Iron Oxide


Question77:- The metal contained in Heamoglobin



Iron


Question78:- The metal processed through the Bessemer Process is



Steel


Question79:- Steel is also processed through ------



Open Hart Process


Question80:- The most pure form of Iron



Wrought Iron


Question81:-The least powerful form of Iron is



Cast Iron


Question82:--------- is used for the manufacturing of Light Pillars , Toys and Pipes



Cast Iron


Question83:- The Chemical Name of Corrosion



Hydrated Iron Oxide


Question84:-The Metal Compound notable for its Corrosion Resistance



Stainless Steel


Question85:-------- is used to manufacture the Kitchen Vessels



Stainless Steel


Question86:- Stainless Steel is a mixture of



Steel, Nickel and Chromium


Question87:- The furnace used for the manufacturing of Iron



Blast Furnace


Question88:- ----- gives red colour to the Rubber Products



Ferric Oxide


Question89:-The only one Alphabet which has no place in the Periodic Table



'J'


Question90:- Crypton was discovered by



William Ramsay


Question91:- The acid contained in Tomato



Oxalic Acid


Question92:- The gas used for Welding



Acetaline


Question93:-The gas used to fill in the tier of vehicles



Nitrogen


Question94:-The Gas caused Bhopal Tragedy



Methane Isosynate


Question95:- The most abundant Alkali Metal in the World



Sodium


Question96:- Which is known as White Gold



Platinum


Question97:- Sodium and ----- is kept in Kerosene



Pottasium


Question98:- Which is called "Oil of Vitriol"



Sulphuric Acid


Question99:- Acid changes Blue Litmus to -------



Red


Question100:- The least commercial valued Industrial Acid



Sulphuric Acid