by Sunday | Mar 18 | Chemistry WAEC
A. they collide without losing energy B. they move randomly in a straight line C. their average kinetic energy is variable D. the distance between them is large compared to their size Correct Answer: Option A – they collide without losing...
by Sunday | Mar 18 | Chemistry WAEC
A. P and T are increased B. both T and P are decreased C. T is increased and P is decreased D. T is decreased and P is increased Correct Answer: Option C – T is increased and P is decreased
by Sunday | Mar 18 | Chemistry WAEC
A. 5 B. 4 C. 3 D. 2 Correct Answer: Option A
by Sunday | Mar 18 | Chemistry WAEC
A. there would be no visible change B. a blue precipitate would be formed C. the resulting solution would become colourless D. a white precipitate would be formed Correct Answer: Option D – a white precipitate would be...
by Sunday | Mar 18 | Chemistry WAEC
A. blue precipitate is formed which is soluble in excess ammonia B. brick red precipitate is produced which is insoluble in excess ammonia C. which precipitate is formed which is excess in ammonia D. green precipitate is formed which is insoluble in excess ammonia...
by Sunday | Mar 18 | Chemistry WAEC
A. efforescence B. high melting point C. hygroscopy D. low solubility Correct Answer: Option A – efforescence