Chemistry (General Science): All SSC Exams Previous Years Questions Papers Solved Part 14

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Q.1:- The polymerisation of which of the following is used in manufacturing of polythene in industry ?

  1. Methane
  2. Styrene
  3. Acetylene
  4. Ethylene

Q.2:- The metal used in printing press is an alloy of ?

  1. Lead and Copper
  2. Lead and Antimony
  3. Lead and Bismuth
  4. Lead and Zinc

Q.3:- A polymeric substance used to make parachute is ?

  1. Rayon
  2. Viscose
  3. Cotton
  4. Terylene

Q.4:- Which is the purest form of Iron ?

  1. Steel
  2. Cast Iron
  3. Pig Iron
  4. Wrought Iron

Q.5:- Which of the following alloy is used in making magnet ?

  1. Duralumin
  2. Stainless Steel
  3. Elniko
  4. Magnalium

Q.6:- Which of the following is the main Nitrogenous waste in humans ?

  1. Ammonia
  2. Urea
  3. Uric Acid
  4. Ammonium Nitrate

Q.7:- Radioactive disintegration of Uranium ultimately results in formation of ?

  1. Radium
  2. Thorium
  3. Polonium
  4. Lead

Q.8:- Which of the following is the petroleum wax ?

  1. Bees wax
  2. Carnauba wax
  3. Paraffin wax
  4. Jojoba wax

Q.9:- Which one of the following is used to restore the colour of old oil paintings ?

  1. Ozone
  2. Hydrogen Peroxide
  3. Barium Peroxide
  4. Sodium Peroxide

Q.10:- Impure camphor is purified by ?

  1. Sublimation
  2. Fractional Crystallisation
  3. Fractional Distillation
  4. Steam Distillation

Q.11:- Brass is an alloy of ?

  1. Lead and Tin
  2. Zinc and Copper
  3. Antimony, Tin and Lead
  4. Zinc, Tin and Copper

Q.12:- Silver Nitrate solution is kept in brown bottles in laboratory because ?

  1. It reacts with ordinary white bottles
  2. Brown bottles stops the passage of light through it
  3. Brown bottles do not react with it
  4. Brown bottles react with it

Q.13:- Taj Mahal is greatly affected due to ?

  1. Tourists
  2. Acid Rain
  3. Deforestation
  4. Sound Pollution

Q.14:- Which one of the following is used as preservative for foodstuff ?

  1. Sodium Benzoate
  2. Picric Acid
  3. Glycerine
  4. Sodium Chloride
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Q.15:- Mercury is a ?

  1. Solid Metal
  2. Liquid Metal
  3. Solid Non-Metal
  4. Liquid Non-Metal

Q.16:- The major component in the LPG is ?

  1. Methane
  2. Butane
  3. Ethane
  4. Propane

Q.17:- Conduction band electrons have more mobility than holes because they ?

  1. Are lighter
  2. Experience collision less frequently
  3. Have negative charge
  4. Need less energy to move them

Q.18:- Which of the following is the major constituent of LPG ?

  1. Methane
  2. Ethane
  3. Propane
  4. Butane

Q.19:- The gas used to dilute Oxygen for breathing by deep sea divers is ?

  1. Neon
  2. Argon
  3. Nitrogen
  4. Helium

Q.20:- The process of covering water pipes made of Iron with Zinc layer to prevent corrosion is called ?

  1. Zinc Plating
  2. Alloy Formation
  3. Vulcanization
  4. Galvanization

Q.21:- Iodine value is used to estimate ?

  1. Hydroxyl groups in oil
  2. Alkali content in oil
  3. Unsaturation in oil
  4. Carboxylic Groups in oil

Q.22:- The sewage obtained from water closets and urinals is known as ?

  1. Sanitary Waste
  2. Industrial Waste
  3. Garbage
  4. Sullage

Q.23:- In silvery paints, the main constituent present is ?

  1. Aluminium powder
  2. Silver Powder
  3. Lead Powder
  4. White Lead

Q.24:- In organic compounds, Nitrogen is estimated by ?

  1. Carius method
  2. Victor-Meyer’s Method
  3. Liebig’s Method
  4. Dumas’ Method

Q.25:- Which gas emitted by power stations causes acid rain ?

  1. Carbon Dioxide
  2. Sulphur Dioxide
  3. Helium
  4. Nitrogen

 

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