by Sunday | May 8 | Chemistry WAEC
l. Dry cell ll. Car battery III. Electric generator A. l and lll only B. ll and lll only C. l and ll only D. l, ll and lll Correct Answer: Option C C. l and ll only
by Sunday | May 8 | Chemistry WAEC
A. an acidic solution B. an alkaline solution C. a buffer solution D. a neutral solution Correct Answer: Option A A. an acidic solution
by Sunday | May 8 | Chemistry WAEC
A. Particle size of CuO(s) B. Concentration of H2SO4(aq) C. Temperature of the reacting mixture D. Pressure of reaction system Correct Answer: Option D D. Pressure of reaction system
by Sunday | May 8 | Chemistry WAEC
A. brine B. detergent C. kerosine D. warm water Correct Answer: Option B B. detergent
by Sunday | May 8 | Chemistry WAEC
A. 1 B. 5 C. 9 D. 13 Correct Answer: Option D D. 13
by Sunday | May 8 | Chemistry WAEC
A. ammonium trioxocarbonate (IV) B. calcium trioxocarbonate (IV) C. lead (ll) trioxocarbonate(IV) D. zinc trioxocarbonate (IV) Correct Answer: Option A A. ammonium trioxocarbonate (IV)