by Sunday | Sep 18 | Chemistry JAMB
A. insoluble sodium compounds which form soluble solutions of calcium and magnesium B. soluble sodium compounds which form soluble solutions of calcium and magnesium ions C. soluble sodium compounds which form insoluble precipitates of calcium and magnesium ions D....
by Sunday | Sep 18 | Chemistry JAMB
I. It has a varied composition from one place to another. ll. it constituents can be separated by physical means lll. It contains unreactive noble gases A. I and ll only B. ll and lll only C. l and lll only D. l,lll and lll Correct Answer: Option A – I and ll...
by Sunday | Sep 18 | Chemistry JAMB
A. Alpha-particles B. Beta-particles C. Gamma-rays D. X-rays Correct Answer: Option D = X-rays
by Sunday | Sep 18 | Chemistry JAMB
A. monoatmic B. good oxidizing agents C. highly electropositive D. electron donors Correct Answer: Option B – good oxidizing agents
by Sunday | Sep 18 | Chemistry JAMB
A. ls² 2s² 2P6 3s² 3P² B. Is² 2s² 2P6 C. ls² 2s² 2p6 3s² D. ls² 2s² 2P4 Correct Answer: Option B – Is² 2s² 2P6