Science GK Practice Question and Answer

Q:

рдЗрдХреЛрд▓реЙрдЬреА рд╢рдмреНрдж рдХрд┐рд╕рдиреЗ рдкреНрд░рддрд┐рдкрд╛рджрд┐рдд рдХрд┐рдпрд╛?

2922 0

  • 1
    рдЪрд╛рд░реНрд▓реНрд╕ рдбрд╛рд░реНрд╡рд┐рди
    Correct
    Wrong
  • 2
    рд░реЙрдмрд░реНрдЯ рд╡реНрд╣рд┐рдЯрдЯреЗрдХрд░
    Correct
    Wrong
  • 3
    рдЖрд░реНрдерд░ рдЯрд╛рдВрд╕рд▓реЗ
    Correct
    Wrong
  • 4
    рдЕрд░реНрдиреЗрд╕реНрдЯ рд╣реИрдХрд▓
    Correct
    Wrong
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Answer : 4. "рдЕрд░реНрдиреЗрд╕реНрдЯ рд╣реИрдХрд▓"

Q: What among following is used to produce artificial rain ? 2891 0

  • 1
    copper oxide
    Correct
    Wrong
  • 2
    carbon monoxide
    Correct
    Wrong
  • 3
    silver iodide
    Correct
    Wrong
  • 4
    silver nitrate
    Correct
    Wrong
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Answer : 3. "silver iodide"

Q: Which one of the following metals does not react with water to produce Hydrogen? 2884 0

  • 1
    Cadmium
    Correct
    Wrong
  • 2
    Lithium
    Correct
    Wrong
  • 3
    Potassium
    Correct
    Wrong
  • 4
    Sodium
    Correct
    Wrong
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Answer : 1. "Cadmium"

Q: The oxide of Nitrogen used in medicine as anaesthetic is ? 2852 0

  • 1
    Nitrogen pentoxide
    Correct
    Wrong
  • 2
    Nitrous oxide
    Correct
    Wrong
  • 3
    Nitric oxide
    Correct
    Wrong
  • 4
    Nitrogen dioxide
    Correct
    Wrong
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Answer : 1. "Nitrogen pentoxide"

Q: The metallurgical process in which a metal is obtained in a fused state is called ? 2850 0

  • 1
    roasting
    Correct
    Wrong
  • 2
    calcinations
    Correct
    Wrong
  • 3
    smelting
    Correct
    Wrong
  • 4
    froth floatation
    Correct
    Wrong
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Answer : 3. "smelting"

Q:

рдЕрдзрд┐рдХ рдХреНрд╖рдорддрд╛ рдХреЗ рдореЛрдЯрд░ рдЬрдирд░реЗрдЯрд░ рд╕реЗрдЯ рдореЗрдВ рдкреНрд░рдпреБрдХреНрдд рдореЛрдЯрд░ рдкреНрд░рд╛рдпрдГ┬а?

2819 0

  • 1
    рдкрд┐рдВрдЬрд░рд╛ рдкреНрд░рд╛рд░реВрдкреА рдкреНрд░реЗрд░рдг рдореЛрдЯрд░
    Correct
    Wrong
  • 2
    рддреБрд▓реНрдпрдХрд╛рд▓реА рдореЛрдЯрд░
    Correct
    Wrong
  • 3
    рдбреА. рд╕реА. рдХрдореНрдкрд╛рдЙрдВрдбрд░ рдореЛрдЯрд░
    Correct
    Wrong
  • 4
    рдЙрдкрд░реНрдпреБрдХреНрдд рдореЗрдВ рдХреЛрдИ рдирд╣реАрдВ
    Correct
    Wrong
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Answer : 2. "рддреБрд▓реНрдпрдХрд╛рд▓реА рдореЛрдЯрд░"
Explanation :

рдЖрдЬрдХрд▓ рд╕рд┐рдВрдбрдХреНрд╢рди рдпрд╛ рд╕рд┐рдВрдХреНрд░реЛрдирд╕ рдореЛрдЯрд░ рдХрд╛ рдЙрдкрдпреЛрдЧ рдХрд░рдиреЗ рдХрд╛ рдЪрд▓рди рд╣реИред рд╕рд┐рдВрдбрдХреНрд╢рди рдореЛрдЯрд░ рдПрдХ рдЗрдВрдбрдХреНрд╢рди рдореЛрдЯрд░ рдХреЗ рд╕рдорд╛рди рд╣реЛрддреА рд╣реИ рд▓реЗрдХрд┐рди рд╕рд┐рдВрдХреНрд░реЛрдирд╕ рдЧрддрд┐ рд╕реЗ рдЪрд▓рддреА рд╣реИред


Q: Oil of vitriol is 2658 0

  • 1
    nitric acid
    Correct
    Wrong
  • 2
    sulphuric acid
    Correct
    Wrong
  • 3
    hydrochloric acid
    Correct
    Wrong
  • 4
    phosphoric acid
    Correct
    Wrong
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Answer : 2. "sulphuric acid"

Q:

рдЬрдм рдорд╛рдирд╡ рд╣реГрджрдп рдореЗрдВ рд╡рд╛рдо рдирд┐рд▓рдп рд╕рд┐рдХреБрдбрд╝рддрд╛ рд╣реИ┬а,┬арддреЛ рд░рдХреНрдд рдХрд┐рд╕рдХреА рддрд░рдл рдкреНрд░рд╡рд╛рд╣рд┐рдд рд╣реЛрддрд╛ рд╣реИ┬а?┬а

2656 0

  • 1
    рдорд╕реНрддрд┐рд╖реНрдХ
    Correct
    Wrong
  • 2
    рдлреБрдлреНрдлреБрд╕реАрдп рдзрдордиреА
    Correct
    Wrong
  • 3
    рдорд╣рд╛рдзрдордиреА
    Correct
    Wrong
  • 4
    рдлреБрдлреНрдлреБрд╕
    Correct
    Wrong
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Answer : 3. "рдорд╣рд╛рдзрдордиреА "

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