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 measuring 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
- Aluminum compound which is used for making precious stones artificially
Aluminium Oxide
- Aluminium compound which is used as a 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 powerful 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…)