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Chemistry Previous Year Question and Answer (in Malayalam)
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This Lesson Is Disscused Of Chemistry Previous Year Questions & Answers for Kerala Psc Aspirnts

Radha krishnan
Hai frnds. I am Radha krishnan.Teaching for kerala psc exams & Manages Facebook,Whatsapp, Telegram & precise Online Psc Youtube channel

U
Unacademy user
sir physics k liye bhi questions k video bna dijye
  1. KERALA PSC CHEMISTRY PREVIOUS YEAR QUESTIONS & ANSWERS Presented B RADHAKR1SHNAN


  2. KERALA PSC CHEMISTRY PREVIOUS YEAR QUESTIONS & ANSWERS Presented B RADHAKR1SHNAN


  3. KERALA PSC CHEMISTRY PREVIOUS YEAR QUESTIONS & ANSWERS Presented B RADHAKR1SHNAN


  4. AAlnico is an alloy of Aluminium, Nickel and -Cobalt Colour of lodoform - YelloW Wax is soluble in- Benzyne Acid contained in onion -Oxalic Acid AChemical used for the preservation of food Sodium Benzoate AWhich acid is used as an antiseptic - Boric acid Who discovered the art of vulcanisation of rubber -Charles Goodyear


  5. AWhich of the following plants helps nitrogen fixation? -Beans Glass is made of the mixture of which things? Sand and silicates What is a mixture of potassium nitrate, powdered charcoal and sulphur called - Gun powder A Which gas is absorbed during photosynthesis - C02 A For crop does India have the largest cultivated area in the world - Rice AWhich is used as a fuel in Nuclear power stations in India - Thoriurm


  6. A Which law of thermodynamics introduces the concept of entropy - Second law AWhat is the principle by which a cooling system [Radiator) in a motor car works - Convection AWhat does Nail polish remover contain - Acetone Which colloidal solution is used in photography- Colloidal silver bromine A Which type of the fruit formed without fertilisation Parthenocarpy


  7. A What happens, When water is heated from 0 C to 10 C the volume of water - First decreases then increases Which group of gases contribute to the 'Green House Effect' - Carbon dioxide and Methane AWhich is the sweetest natural sugar - Fructose Micro plastics are pollutants of increasing environmental concern With particle size of less than-5mm The microwave owen was invented by - Percy L Spencer Which is the first artificial plastic - Bekalite


  8. AWhich acid is present in the Soya beans - Phytic Acid The working principle of Optical Fibre Cable (OFC) s -Total internal reflection A television remote uses - Infrared Rays Most abundant in the earth's atmosphere-Nitrogen(78%) ALightest gas at STP - Hydrogan Least dense metal at room temperature --Lithium Highest thermal expansion at room temperature-Caesium