SSC CGL 2017 Special : Chemistry Questions from Previous Papers - Set 1

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1. Baryllium Sulphate is less soluble in water due to ?
   1. High inflammable energy
   2. Low energy of dissociation
   3. Low inflammable energy
   4. Lonic band

• What is the name of that system, which uses radioactivity to decide the period of materials of pre-historic period ? 
• 1. Radium dating
  2. Uranium dating
     
  3. Carbon dating
  4. Deuterium dating
• Cement is made hard with
• 1. dehydration
  2. hydration and dissociation of water
  3. dissociation of water
  4. polymerisation
• What happens when a chemical bond is formed ?
• 1. energy is always absorbed
  2. energy is always released
  3. more energy is released than is absorbed 
  4. energy is neither released nor absorbed
• Which among the following is a carbohydrate ?
• 1. Nylon
  2. Cane-sugar
  3. Turpentine
  4. Hydrogen peroxide
• In which of the following states maximum iron ore is found ?
• 1. FeCO3
  2. Fe2O3
  3. Fe3O4
  4. FeS2
• "All the four quantum numbers of two electrons in an atom are not the same". It is the law of _____________
• 1. Hund's
  2. Exclusion Principle of Pauli
  3. Uncertainty Principle of Hiesenberg
  4. Avogadro's Law
• Commercial nitric acid is coloured because it contains disolved :
• 1. Oxygen
  2. Nitrous oxide
  3. Nitrogen dioxide
  4. Coloured impurities
• Fertilizer having high nitrogen content is :
• 1. Urea
  2. Ammonium sulphate
  3. Ammonium nitrate
  4. Calcium citrate
• Where does the oxygen that keeps us alive come from ?
• 1. Carbon dioxide
  2. Carbonates absorbed from soil
  3. Oxides of minerals
  4. Water
• The gas used for artificial fruit ripening of green fruit is ________________
• 1. Ethylene
  2. Acetylene
  3. Ethane
  4. Methane
• The three elements most needed in common fertilisers are :
• 1. Sulphur, Phosphorous and Sodium
  2. Nitrogen, Potassium and Phosphorous
  3. Phosphorous, Sodium and Nitrogen
  4. Calcium, Phosphorous and Potassium
• Which one of the following metals pollutes the air of a city having large number of automobiles ?
• 1. Cadmium
  2. Chromium
  3. Lead
  4. Copper
•  What is the chemical name for 'baking soda' ?
• 1. Sodium carbonate
  2. Sodium bicarbonate
  3. Sodium nitrite
  4. Sodium nitrate
• An atomic pile is used for
• 1. producing X-rays
  2. conducting nuclear fission
  3. conducting thermonuclear fusion
  4. accelerating atoms
• Which of the following gases is present under pressure in soft drinks ?
• 1. Oxygen
  2. Nitrogen
  3. Carbon dioxide
  4. Nitrous oxide
• The substance which does not expand on going from liquid state to solid state is 
• 1. Water
  2. Cast-iron
  3. Aluminum
  4. Type metal
• The radio-active element used in heart pacemakers is 
• 1. Uranium
  2. Deuterium
  3. Plutonium
  4. Radium
• The element which is commonly used in nuclear for producing electricity by nuclear fission is 
• 1. Radium
  2. Plutonium
  3. Uranium
  4. Deuterium
• Table salt gets moist during rainy season because 
• 1. sodium chloride is hygroscopic
  2. sodium chloride is deliquescent
  3. sodium chloride contains some quantity of sodium iodide
  4. sodium chloride contains hygroscopic impurities like magnesium chloride

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