by Sunday | Aug 22 | Chemistry WAEC
A. Lead B. Copper C. Iron D. Calcium E. Aluminium Correct Answer: Option E – Aluminium
by Sunday | Aug 22 | Chemistry WAEC
A. colourless B. a cooling agent C. alkaline to litmus D. a reducing agent E. very soluble in water Correct Answer: Option E – very soluble in water
by Sunday | Aug 22 | Chemistry WAEC
A. fractional distillation of liquefied air B. decomposition of ammonium dioxonitrate (lll) C. electrolysis of brine D. Haber process E. Contact process Correct Answer: Option A – fractional distillation of liquefied...
by Sunday | Aug 22 | Chemistry WAEC
MnO2 + 4HCI2 + CI2 + 2H2O A. Bleaching agent B. Oxidizing agent C. Amphoteric oxide D. Basic oxide E. Catalyst Correct Answer: Option B – Oxidizing agent
by Sunday | Aug 22 | Chemistry WAEC
A. forms insoluble calcium and magnesium salts B. is made from fats and oils C. has an organic component D. alters the surface tension of water E. is a sodium salt of higher carboxylic acids Correct Answer: Option A – forms insoluble calcium and magnesium...