Science MCQ Questions with answers

Here Important Science MCQ questions are added which are frequently asked in almost all the examinations. You can check the correct answer of any question on clicking the show answer button or on option itself. The Correct answer will be displayed below. You can share any question with your friends on whatsapp by tapping whatsapp button.

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Praveen Singh • 36.81K Points
Coach Science

Q) ......... is least reactive element belonging to group 17 ?

  • (A) Bromine
  • (B) Iodine
  • (C) Chlorine
  • (D) Fluorine
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Correct Answer - Option (B)

Explanation:

Iodine is the least reactive element belonging to group 17. The 5 non-metallic, toxic elements that form group 17 of the periodic table are iodine, chlorine, fluorine, bromine, and astatine

A

Admin • 37.39K Points
Coach Science

Q) The pH of pure water is ?

  • (A) 2
  • (B) 6
  • (C) 7
  • (D) 8
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Correct Answer - Option (C)

Explanation:

Pure water has a pH of 7 and is considered “neutral” because it has neither acidic nor basic qualities

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