by Sunday | Aug 22 | Chemistry WAEC
A. electrochemical cell B. activity series C. thermocouple D. voltameter E. galvanometer Correct Answer: Option A – electrochemical cell
by Sunday | Aug 22 | Chemistry WAEC
A. trioxonitrate (V) acid B. hydrochloric C. ethanoic acid D. tetraoxophosphates (V) acid E. dioxonitrate (lll) acid Correct Answer: Option D – tetraoxophosphates (V) acid
by Sunday | Aug 22 | Chemistry WAEC
A. react with water to form acids B. react with water to form alkali C. show neither acid nor basic properties D. react with acids alkalis E. contain high proportion of oxygen Correct Answer: Option D – react with acids...
by Sunday | Aug 22 | Chemistry WAEC
A. CaCI2 + 2HCI →CI2 +CaCI2 + H2O B. Na2O2 + H2SO4 → Na2SO4 + H2O2 C. H2SO4 + KOH → KHSO4 + H2O D. 2Na + 2H2O → 2NaOH + H2 E. CuSO4 + 2NaOH → Cu(OH)2 + Na2SO4 Correct Answer: Option C – H2SO4 + KOH → KHSO4 +...
by Sunday | Aug 22 | Chemistry WAEC
A. acidic B. neutral C. concentrated D. dilute E. saturated Correct Answer: Option B – neutral