by Sunday | Dec 9 | Chemistry
A. a decrease in pressure B. an increase in pressure C. a decrease in temperature D. an introduction of a positive catalyst Correct Answer: Option A A. a decrease in pressure Explanation The equilibrium position is shifted to the left with a decrease in pressure in...
by Sunday | Dec 9 | Chemistry WAEC
A. decomposition B. hydrolysis C. ozonolysis D. dehydration Correct Answer: Option D Explanation Ethene can be gotten from the dehydration of ethanol in the presence of excess H2SO4 or H3PO4.
by Sunday | Dec 8 | Chemistry WAEC
A. an oxidizing agent B. a reducing agent C. an acid D. a base Correct Answer: Option A A. an oxidizing agent
by Sunday | Dec 8 | Chemistry WAEC
A. C2H4 B. C3H4 C. C3H6 D. C4H8 Correct Answer: Option C Explanation Given the molecular formula, CH2. The empirical formula will be (CH2)n= 42 (12+(2×1))n=42 ⇒ 14n=42 n = 3, hence the empirical formula is...
by Sunday | Dec 8 | Chemistry WAEC
A. CH4 B. HCl C. NH3 D. NaH Correct Answer: Option D D. NaH Explanation The bonding between a non-metal and metal is ionic bonding. In metal hydrides, Hydrogen takes on the ionic charge of -1, hence forming an ionic bond with the...
Land Law and the Consequences of Unauthorized Land Transfers in Nigeria
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