Chemistry (General Science): All SSC Exams Previous Years Questions Papers Solved Part 3

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Q.1:- An important green-house gas other than methane being produced from the agricultural fields is ?

  1. Nitrous Oxide
  2. Ammonia
  3. Sulphur Dioxide
  4. Arsine

Q.2:- The term “Brown Air” is used for ?

  1. Acid Fumes
  2. Photochemical Smog
  3. Sulphurous Smog
  4. Industrial Smog

Q.3:- The radiation that can penetrate deepest in our body ?

  1. UV-Radiation
  2. Alpha-Particles
  3. Beta-Particles
  4. Gamma Particles

Q.4:- The ore of Aluminium is ?

  1. Fluorspar
  2. Bauxite
  3. Chalco Pyrites
  4. Hematite

Q.5:- The most abundant  element is ?

  1. Calcium
  2. Silicon
  3. Oxygen
  4. Nitrogen

Q.6:- Which one of the following contains maximum percentage of Carbon ?

  1. Cast Iron
  2. Stainless Steel
  3. Wrought Iron
  4. High Speed Steel

Q.7:- The first organic compound synthesised in the laboratory was ?

  1. Urea
  2. Uric Acid
  3. Lactic Acid
  4. Glucose

Q.8:- Which one of the following is found in Vinegar ?

  1. Acetic Acid
  2. Propionic Acid
  3. Formic Acid
  4. Butyric Acid

Q.9:- Silicone is a polymer of ?

  1. Tetraalkyl Silane
  2. Silicon Tetrachloride
  3. Dialkyl Dichloro Silane
  4. Silane

Q.10:- The heaviest naturally occurring element is ?

  1. Mercury
  2. Polonium
  3. Thorium
  4. Uranium

Q.11:- Piped Natural Gas (PNG) is used for ?

  1. Mining
  2. Welding
  3. Anaesthesia
  4. Cooking

Q.12:- Ethanol containing 5% water is known as ?

  1. Dilute Alcohol
  2. Power Alcohol
  3. Rectified Spirit
  4. Absolute Alcohol

Q.13:- Black lung disease occurs in people working in ?

  1. Electroplating Industry
  2. Organic Solvents Industry
  3. Paint Manufacturing Industry
  4. Coal Mines

Q.14:- The chief source for the production of Nitrogenous Fertilizers is ?

  1. Ammonia
  2. Nitric Acid
  3. Nitrogen
  4. Nitrogen Dioxide

Q.15:- Heavy metal pollution of water is caused by ?

  1. Paints
  2. Wood Burning
  3. Acid Plants
  4. Domestic Sewage

Q.16:- Extensively used Nitrogenous fertilizer is ?

  1. Ammonium Nitrate
  2. Urea
  3. Ammonium Sulphate
  4. Nitro-Lime

Q.17:- The main constituent of natural gas is ?

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

Q.18:- The depletion of Ozone Layer is due to ?

  1. Chloro Fluoro Carbon
  2. Carbon Dioxide
  3. Sulphur Dioxide
  4. Ethane
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Q.19:- The common refrigerant in domestic refrigerator is ?

  1. Neon
  2. Oxygen
  3. Nitrogen
  4. Freon

Q.20:- Coal is formed from ?

  1. Crude Oil
  2. Deposit of Animal Waste
  3. Coke
  4. Compressed and Hardened Biomass

Q.21:- Detergents are ?

  1. Sodium salts of fatty acids
  2. Sodium salts of Sulphonic Acids
  3. Sodium salt of Benzoic Acid
  4. None of the above

Q.22:- If all bullets could not be removed from gunshot injury of a man, it may cause poisoning by ?

  1. Mercury
  2. Lead
  3. Iron
  4. Arsenic

Q.23:- The National Chemical Laboratory (India) is located in ?

  1. Mumbai
  2. Bangaluru
  3. Hyderabad
  4. Pune

Q.24:- One of the constituents of tear gas is ?

  1. Ethane
  2. Ethanol
  3. Ether
  4. Chloropicrin

Q.25:- The element which is used for vulcanizing rubber ?

  1. Sulphur
  2. Bromine
  3. Silicon
  4. Phosphorus

 

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