by Sunday | Oct 14 | Chemistry JAMB
A. Formation of water from hydrogen and oxygen molecules B. Conversion of dinitrogen (IV) oxide to nitrogen (IV) oxide C. Decomposition of calcium hydroxide to its oxide D. Conversion of silver halides to grey metallic silver Correct Answer: Option D –...
by Sunday | Oct 14 | Chemistry JAMB
A. washing under pressure B. drying over phosphorus (V) oxide C. passing the mixture into lime water D. using ammoniacal copper (I) chloride Correct Answer: Option A – washing under pressure
by Sunday | Oct 14 | Chemistry JAMB
A. lilac B. green C. yellow D. brick-red Correct Answer: Option B – green
by Sunday | Oct 14 | Chemistry JAMB
A. CO2 and H2O B. NO and H2O C. CO and CO2 D. SO2 and NO Correct Answer: Option D – SO2 and NO
by Sunday | Oct 14 | Chemistry JAMB
A. Ca²+ B. Mg²+ C. Zn²+ D. Cu²+ Correct Answer: Option C = Zn²+
by Sunday | Oct 14 | Chemistry JAMB
A. a reaction gives back the reactant B. te concentration of the reactant and products is equal C. both forward and and reverse reactions proceed at the same rate D. reactants are converted to products Correct Answer: Option C – both forward and and reverse...