by Sunday | Aug 23 | Chemistry WAEC
A. Silicon B. Fluorine C. Astatine D. Bromine E. lodine Correct Answer: Option A – Silicon
by Sunday | Aug 23 | Chemistry WAEC
A. oxygen B. nitrogen C. hydrogen D. nitrogen (l) oxide E. nitrogen (ll) oxide Correct Answer: Option B – nitrogen
by Sunday | Aug 23 | Chemistry WAEC
A. treatment of polluted water B. preservation of food C. separation of soap from glycerol D. manufacture of chlorine E. manufacture of caustic soda Correct Answer: Option A – treatment of polluted water
by Sunday | Aug 23 | Chemistry WAEC
A. hydrogen bonding B. metallic bonding C. covalent bonding D. ionic bonding E. van der Waals’ forces Correct Answer: Option A – hydrogen bonding
by Sunday | Aug 23 | Chemistry WAEC
A. Reducing agent B. A bleaching agent C. A dehydrating agent D. A sulphonating agent E. An oxidizing agent Correct Answer: Option A – Reducing agent
by Sunday | Aug 23 | Chemistry WAEC
A. its density B. its atomic radius C. its relative atomic mass D. the number of protons in its atom E. the number of neutrons in its atom Correct Answer: Option D – the number of protons in its atom