981. Which are the three primary colors used in color TV?Green, Blue, Red
982. Which element has the smallest atom?
Hydrogen
983. The atom of which element is devoid of neutron?
Hydrogen
984. Which fuel produces maximum heat per gram burnt?
Hydrogen
985. Which element has the maximum number of stable isotopes?
Tin
986. Which metal is used in the catalytic converters in cars to reduce the pollution from exhaust gases?
Platinum
987. Liquefied natural gas or LNG is natural gas is predominantly composed of ----------
methane
988. What turns blue litmus paper in to red?
Acids
989. Red litmus paper turns blue under ----------- conditions?
Basic (Alkaline)
990. Which chemical is used for the preservation of biological specimen?
Formalin
991. What are the constituent elements of sugar?
Carbon, Hydrogen and Oxygen
992. Which type of glass can cut off ultra violetrays?
Crookes glass
993. Which process is used in dairies to seperate cream from milk?
Centrifugation
994. What color phenolphthalein turns in the presence of bases?
Pink
995. What color is shown by a neutral solution in the universal indicator?
Green
996. Which chemical acts as the chief agent in attracting mosquitoes to humans?
Lactic Acid
997. Which chemical has the nickname of'the Salt of Hartshorn'?
Ammonium Carbonate
998. Which element is industrially produced through the Claus Process?
Sulfur
999. What is known as 'the Magic Metal of Life'?
Calcium
1000. Which organism can travel in accordance with the magnetic field of the earth?
Snail
1001. Bessemer process is associated with the production of -----------------
Steel
1002. What is the unit of potential difference?
Volt
1003. What is known as 'the Metal of the Future'
Titanium
1004.The Electromotive force (emf) of a voltaic cell:
1 volt
1005. The instrument used to measure the thickness of ozone:
Dobsonometer
<Next Page><01,..... 43, 44, 45, 46, 47, 48, 49, 50, 51>
General Science- Questions and Answers in Malayalam- Click here
Physical Science - Questions and Answers - Click here
Physics - Questions and Answers - Click here
Chemistry - Questions and Answers - Click here
Biology - Questions and Answers - Click here
Zoology - Questions and Answers - Click here
Botany - Questions and Answers - Click here
Every Day Science - Questions and Answers - Click here
PSC TODAYS EXAM RESULTS ---> Click here
PSC EXAM PROGRAMME -> Click here
PSC RANK LISTS / SHORT LISTS -> Click here
PSC FREE MOCK TEST -> Click here
Related Links
10. PSC PREVIOUS / SOLVED QUESTION PAPERS ---> Click here
11. PSC QUESTIONS IN MALAYALAM
* 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