Free account: track your progress — Sign up free

WAEC Chemistry 2015 Objective — Question 44

Question 44 of 50 from the West African Examinations Council (WAEC) Chemistry 2015 Objective paper, with the correct answer and a full explanation.

Advertisement

Which of the following substances is a heavy chemical?

  • A. Ammonia
  • B. Barium hydroxide
  • C. Hydrochloric acid
  • D. Tetraoxosulphate (VI) acidCorrect

Explanation

A heavy chemical is a substance produced and needed in very large quantities, e.g. tetraoxosulphate (VI) acid (sulphuric acid) and sodium hydroxide, unlike fine chemicals (needed in small/minute amounts).

Advertisement

Sign up free to unlock

  • Score tracking
  • Practice history
  • Saved questions
  • Progress dashboard
  • Personalized sessions
  • Weak-topic breakdown

…and/or go further with premium services and No Ads.