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Chemistry Previous Year Questions and Answers (in Malayalam)
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This Lesson Is Disscused Of Chemistry Previous Year Question & Answers

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

U
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considering 6^3 and then splitting 5^3 as 5^2 and 5
  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 alloy used in making heating elements for electric heating devices?-Nichrome A Which is the element found on the surface of the moon-Titanium Which variety of glass is heat resistant? - Pyrex glass Which synthetic fibre is known as artificial silk-Rayon AWhich fertilizer has more nitrogen content? - Urea


  5. Which is the essential element in all organic compounds ? - Carbon A Which substance coated on plastic tape ? - Iron oxide rocks and minerals p-Silicon Non-stick cooking utensils are coated with Which is the most unreactive gas?- Hydrogen Which element present in the largest amount in which metal P -Teflon


  6. Which substance is a bad conductor of electricity but a good conductor of heat? - Mica 1C chips' for computers are usually made of which metal - Silicon A In fireworks, how is the green flame producedP- Barium What are Rubies and Sapphires chemically known as? -Aluminum Oxide What is used in preparing match sticks ?- Red Phospherus


  7. AWhich glass is used in bullet proof screens - Reinforced Glass Which type of glass can cut off ultraviolet rays-Crookes glass Which polymer is used for making bulletproof material ? - Polyethylene Which major component is used in preparation of different types of glasses ?- Silica


  8. With which name of the particle Boson'is associated?- S.N. Bose Cooking gas is a mixture of which gases? Butane and propane A What is the most abundant metal in the earth'?s crust-Aluminium Which are the metal that is present in photo films?-Silver A Which element that does not occur in nature but can be produced artificially - Plutonium