Latest MCQ's

Q Carbon dioxide is used in?

  • A Soft drinks
  • B Fire Extinguishers
  • C Photosynthesis
  • D All of them
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KP Boards Science - Class 6th Uploaded By: Safdar Ali

Q Which is true for nitrogen?

  • A Used as dry ice
  • B Used as coolant
  • C Used in respiration
  • D Used in combustion
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KP Boards Science - Class 6th Uploaded By: Safdar Ali

Q What is the volume of oxygen and carbon dioxide in air?

  • A 21% carbon dioxide and 0.03% oxygen
  • B 0.03% carbon dioxide and 78% oxygen
  • C 78% carbon dioxide and 21% oxygen
  • D 0.03% carbon dioxide and 21% oxygen
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KP Boards Science - Class 6th Uploaded By: Safdar Ali

Q Inert gases are not used in:

  • A Electric bulbs
  • B Sign boards
  • C Photosynthesis
  • D Weather balloons
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KP Boards Science - Class 6th Uploaded By: Safdar Ali

Q Which gas in air is necessary for burning process?

  • A Oxygen
  • B Nitrogen
  • C Carbon dioxide
  • D Argon
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KP Boards Science - Class 6th Uploaded By: Safdar Ali

Q Which of these are completely soluble in water?

  • A Sand
  • B Cooking oil
  • C Wax
  • D Table salt (Sodium chloride)
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KP Boards Science - Class 6th Uploaded By: Safdar Ali

Q A solution is made by dissolving some salt in a beaker of water. The salt is referred as:

  • A solute
  • B filtrate
  • C solution
  • D solvent
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KP Boards Science - Class 6th Uploaded By: Safdar Ali

Q Solubility of which of the following substance increases with increase in temperature?

  • A table salt (NaCl)
  • B Carbon dioxide
  • C Potassium nitrate (KNO3)
  • D Oxygen
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KP Boards Science - Class 6th Uploaded By: Safdar Ali

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