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Chemistry Previous Year Questions and Answers (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
thanks sir👌👌👌👌👌👌👌👌👌👌👌👌👌👌👌👌👌👌👌👌
  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. Which type of glass is used in making lenses and prisms? - Flint glass Which is also called Stranger Gas? -Xenon AWhich chemical is used in foam fire extinguishers?- Aluminium sulphate What is a mixture of potassium nitrate, powdered charcoal and sulphur called?- Gun powder AWhich non-metals is not a poor conductor of electricity?-Selenium


  5. Which polymeric material is used for making bullet proof jacket? KEVLAR Which type of glass is used for making glass reinforced plastic? - Quartz glass AWhich is called philosopher's wool? - Zinc oxide AWhich metal is non toxic in nature?- Gold What is a powerful eye irritant present in smog?- Sulphur dioxide


  6. What is the main constituent of vinegar?- Acetic acid A Which of the toxic heavy metals is found in modern tannery industries?- Chromium What are Carbon, diamond and graphite together called? Allotropes Galvanised iron sheets have a coating of which metal? -Zinc AWhich are the high-temperature superconductors?- Ceramic oxides


  7. ABy which can the location and energy of an electron in an atom be specified? -Quantum numbers A If a proton of mass m is moving with velocity of light, how will its mass? - Unchanged A deuterium nucleus consists of which particles? - One proton and one neutron A Which is the gas used to extinguish fire? -Carbon dioxide Which is the substance which can act both as an acid and a base? -Amphoteric


  8. AWhich is the basis of modern periodic table?- Atomic number AWhich is the main ingredient in cement? - Lime stone Which metal is found in plaster of paris'? - Calcium Which are the important raw materials required in cement industry - Limestone and clay AWhat is the major ingredient of leather? -Collagen Which was the gas which had leaked out of Union Carbide A factory in Bhopal?- Methyl isocynate