by Sunday | Aug 23 | Chemistry WAEC
Mg2 + 2HCI(aq) → MgCI2(g) + H2(g) A. 1.0g B. 2.0g C. 6.0g D. 12.0g E. 24.0g Correct Answer: Option A Explanation Mg2 + 2HCI(aq) → MgCI2(g) + H2(g) 24g of Mg2 reacts with 2g H2 therefore, 1g of Mg will react with = 2/24g H2 12g Mg2 = 2/24×12g H2 = 1g...
by Sunday | Aug 23 | Chemistry WAEC
A. alkane B. alkene C. alkyne D. alkanol E. alkanal Correct Answer: Option C – alkyne
by Sunday | Aug 23 | Chemistry WAEC
A. 0.1 B. 0.3 C. 1.0 D. 2.7 E. 3.0 Correct Answer: Option C – 1.0
by Sunday | Aug 23 | Chemistry WAEC
A. hydrogenation B. dissociation C. hydrolysis D. dialysis E. dehydration Correct Answer: Option C – hydrolysis
by Sunday | Aug 23 | Chemistry WAEC
A. 2.73cm³ B. 28.3cm³ C. 37.3cm³ D. 273cm³ E. 283cm³ Correct Answer: Option B – 28.3cm³
by Sunday | Aug 23 | Chemistry WAEC
A. Sodium metal is produced at the anode B. Sodium amalgam is formed at the cathode C. Oxygen gas is produced at the anode D. The graphite anode dissolves E. The resulting solution becomes acidic Correct Answer: Option C – Oxygen gas is produced at the...
Land Law and the Consequences of Unauthorized Land Transfers in Nigeria
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