616. Diamond is chemically: Pure carbon
617. The main chemical substance present in the bones and teeth of animal is:
Calcium phosphate
618. Father of the Indian Chemical Industry:
Acharya Prafulla Chandra Ray
619. Bosch process is used in the industrial preparation of:
Hydrogen
620. The alloy used for making the Oscar statue:
Britanium
621. The metal known as 'Rainbow metal':
Iridium
622. The scientific name of Vitamin B 9 is:
Folic acid
623. The alkali most commonly used to make bathing soap:
Potassium hydroxide
624. Elements showing properties of both metals and non-metals:
Metalloids
625. Metals & Ores
Metals & Ores
|
|
Metals
|
Ores
|
Aluminium (Al)
|
Bauxite, Corundum, felspar, Cryolite,Kaolin
|
Antimony (Sb)
|
Stibnite
|
Barium(Ba)
|
Barite, Witherite
|
Cadmium (Cd)
|
Greenockite
|
Calcium (Ca)
|
Chalk, Quicklime, Calcite, Dolomite, Gypsum, Asbestus
|
Chromium (Cr)
|
Chromite
|
Copper (Cu)
|
Malachite, Chalcocite, Chalcopyrite,Cuprite
|
Gold (Au)
|
Quartz, Calaverite, Silvenites
|
Iron (Fe)
|
Hematite, Magnetite, Lemonite, Copper pyrites
|
Lead (Pb)
|
Galena
|
Magnesium(Mg)
|
Magnesite, Dolomite, Epsom salt, Carnalite
|
Manganese(Mn)
|
Pyrolusite
|
Mercury (Hg)
|
Cinnabar
|
Potassium (K)
|
Camalite, Sylvite, Potash
|
Silver (Ag)
|
Argentite
|
Sodium (Na)
|
Rock Salt, Trona, Borax
|
Strontium (Sr)
|
Strontianite, Silestine
|
Tin(Sn)
|
Cassiterite
|
Zinc (Zn)
|
Zincite, Eerulinite , Calamine
|
Uranium (U)
|
Uraninite
|
Tungsten (W)
|
Wolframite, Scheelite
|
Nickel (Ni)
|
Pentlandite, Milarite
|
Beryllium (Be)
|
Beryl
|
<Next Page><01,....... 22, 23, 24, 25, 26, 27, 28, 29>
General Science - Questions -> Click here
Physics - Questions -> Click here
Chemistry - Questions -> Click here
Biology - Questions -> Click here
Zoology - Questions -> Click here
Everyday Science - Questions -> Click here
General Science - Questions(Malayalam)- Click here
PSC TODAYS EXAM RESULTS ---> Click here
PSC EXAM PROGRAMME -> Click here
PSC Degree Level Questions & Answers - Click here
PSC LDC/LGS Questions & Answers - Click here
PSC RANK LISTS / SHORT LISTS -> Click here
PSC Solved Question Papers ---> Click here
PSC FREE MOCK TEST -> Click here
PSC/UPSC/SSC/RRB/DEVASWOM EXAM SYLLABUS
- Click here
General Science - Questions -> Click here
Physics - Questions -> Click here
Chemistry - Questions -> Click here
Biology - Questions -> Click here
Zoology - Questions -> Click here
Everyday Science - Questions -> Click here
General Science - Questions(Malayalam)- Click here
PSC TODAYS EXAM RESULTS ---> Click here
PSC EXAM PROGRAMME -> Click here
PSC Degree Level Questions & Answers - Click here
PSC LDC/LGS Questions & Answers - Click here
PSC RANK LISTS / SHORT LISTS -> Click here
PSC Solved Question Papers ---> Click here
PSC FREE MOCK TEST -> Click here
PSC/UPSC/SSC/RRB/DEVASWOM EXAM SYLLABUS
- Click here
Related Links
2. GENERAL KNOWLEDGE QUESTIONS (English) ---> Click here
2. GENERAL KNOWLEDGE QUESTIONS (Malayalam) ---> Click here
2. GENERAL KNOWLEDGE QUESTIONS (Malayalam) ---> Click here
9. FAMOUS PERSONALITIES - QUESTIONS & ANSWERS
10. MATHS/ARITHMETIC/MENTAL ABILITY---> Click here
11. PSC PREVIOUS / SOLVED QUESTION PAPERS ---> Click here
12. PSC QUESTIONS IN MALAYALAM
13. SSC/UPSC/RRB/BANK Questions - Click here
10. MATHS/ARITHMETIC/MENTAL ABILITY---> Click here
11. PSC PREVIOUS / SOLVED QUESTION PAPERS ---> Click here
12. PSC QUESTIONS IN MALAYALAM
13. SSC/UPSC/RRB/BANK Questions - Click here
* SCERT KERALA TEXT BOOKS FOR CLASS II, IV, VI, VIII, IX, X, XII – FREE DOWNLOAD ---> Click here
* NCERT & CBSE TEXT BOOKS FOR ALL CLASSES – FREE DOWNLOAD ---> Click here
* NCERT & CBSE TEXT BOOKS SOLUTIONS FOR ALL CLASSES ---> Click here
No comments:
Post a Comment