by Sunday | Oct 15 | Chemistry JAMB
A. Adding acidic solution B. Using aerobic bacteria C. Pouring water on the affected water area D. Burning off the oil from the area Correct Answer: Option B – Using aerobic bacteria
by Sunday | Oct 15 | Chemistry JAMB
A. K+ B. KNO3− C. S²− D. H3O+ Correct Answer: Option D – H3O+ Explanation Acids are substances which produce hydrogen ions (or protons) as the only positive ion when dissolved in water. H3O+→2H+ +...
by Sunday | Oct 15 | Chemistry JAMB
A. air pollution B. water pollution C. increased humidity D. flooding Correct Answer: Option D – flooding
by Sunday | Oct 15 | Chemistry JAMB
A. ionic B. covalent C. coordinate covalent D. van der Waals Correct Answer: Option D – van der Waals
by Sunday | Oct 15 | Chemistry JAMB
A. negatively charged B. positively charged C. neutral D. bipolar Correct Answer: Option A – negatively charged
by Sunday | Oct 15 | Chemistry JAMB
I. H = 1s1 II. N = 1s2 2s2 p3 III. O = 1s2 2s2 p4 IV. Zn = 1s2 2s2 2p6 3s2 3p6 4s2 3d10 A. I and II B. I and III C. I and IV D. III and IV Correct Answer: Option A – I and II