Monday, April 2, 2018

Chemistry 6

ലോഹങ്ങളിൽ മഗ്നീഷ്യം, മെർക്കുറി, സ്വർണ്ണം, വെള്ളി, ചെമ്പ്, അലൂമിനിയം എന്നിവയുമായി ബന്ധപ്പെട്ട ചോദ്യങ്ങളാണ് ഇന്നത്തെ പാഠത്തിൽ
  • The metal present in Chloroplast
                  Magnesium
  • The element which is known as Chemical sun
                  Magnesium
  • Elements extracted from sea water
                  Magnesium, Sodium, Chlorine, Bromine
  • Magnesium compound using for dental filling
                  Magnesia cement (Soral cement)
  • First known super conductor
                  Mercury
  • Metal with lowest melting point
                  Mercury
  • Metal known as quick silver
                  Mercury
  • Which is known as anomalous metal
                  Mercury
  • Compounds of Mercury is known as (An alloy with one element as mercury
                  Amalgum
  • Amalgum using for dental filling
                  Silver Amalgum
  • Ore of Mercury
                  Cinnabar
  • Unit for mesuring quantity of Mercury
                  Flask (1 Flask=34.5 Kg)
  • The tailing of Mercury occurs in reaction with
                  Ozone
  • Noble metals are
                  Platinum, Gold and Silver
  • Elements which exists in free states in nature
                  Platinum, Gold and Silver
  • King of metals
                  Gold
  • White Gold
                  Platinum
  • Little silver
                  Platinum
  • Melting point of Gold
                  1064°C
  • Metal which has very high malleability and ductility
                  Gold
  • Gold used to make ornaments
                  22 Carat (916 gold)
  • Pure Gold
                  24 Carat
  • Gold present in 22 carat gold
                  91.6%
  • Best conductor of electricity
                  Silver
  • Metals which can be separated by Cyanide process
                  Gold and Silver
  • Metals present in Panchaloha
                  Gold, Silver, Copper, Iron and Lead
  • Metals present large quantity in Panchaloha
                  Copper
  • Metal used to make the tip of fountain pen
                  Osmium
  • First metal used by man
                  Copper
  • Malachite is the mineal of 
                  Copper
  • First alloy used by man
                  Bronze
  • Metal which is used in gold ornaments
                  Copper
  • Liquid in which noble metals are soluble
                  Aqua regia
  • Liquid known as Royal water
                  Aqua regia
  • Ratio of Hydrochloric acis and Nitric acid in aqua regia
                  3:1
  • The scientist who first isolated Aluminium
                  Hans Oersted
  • Manufacturing process of Aluminium
                  Hall Heroult process
  • Process of Aluminium purification
                  Hoopes Process
  • The scientist who first isolated Aluminium from Bauxite 
                  Charles Martin Hall
  • Commercially Aluminium is isolated from
                  Bauxite
  • Aluminium compound which is used for making precious stones artificially
                  Aluminium Oxide
  • Aluminium compound which is used as foaming agent in fire extinguishers
                  Aluminium hydroxide
  • Component metals in Bronze
                  Copper and Tin
  • Component metals in Brass
                  Copper and Zinc
  • Blue colored mineral in Aluminium is
                  Lapis Lazuli
  • Double sulphate of Aluminium is known as
                  Alum
  • Aluminium compound which is used as mordant (used in dyes of fabrics)
                  Alum
  • Aluminium compound which is used for purifying water
                  Alum
  • Aluminium compound which is used for manufacturing pewerful magnets
                  Alnico
  • Alloy of Aluminium which is used for aircraft manufacturing
                  Duralumin
  • Naturally occuring Alumino silicate is 
                  Mica
  • Aluminium compound which is known as Emerald 
                  Beryllium Aluminium Silicate
  • Aluminium compound which is known as Saphire and Ruby
                  Aluminium Oxide
  • Aluminium compound which is known as Topaz
                  Aluminium Fluorine Silicate
  • Asbestos is also known as 
                  Rock Cotton
  • Metal which is used to make CD
                  Aluminium
  • Metal which is showing the properties of both acid and base (Amphoteric)
                  Aluminium
  • Clay is a mineral of 
                  Aluminium
  • Metal which is used in reflecting telescope
                  Aluminium
                                                                                     (To be Continued...)

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