Brass is an alloy of copper and?
A. iron B. chromium C. zinc D. tin E. magnesium Correct Answer: Option C – zinc
The reaction illustrated by the equation below is an example of?
CH2 = CH2 + H2SO4 → CH3 – CH2 -OSO3H. A. substitution B. oxidation C. reduction D. addition E. displacement Correct Answer: Option D – additionWhich of the following elements can from more than one acidic oxide?
A. Hydrogen B. Sulphur C. Carbon D. Alumium E. Iron Correct Answer: Option B – Sulphur
Which of the processes represented by the following equations has the greatest positive entropy change?
A. C6H3 (l) → C6H6 (g) B. H2O (s) → H2O (l) C. CuO(s) + H2 (g) → Cu(s) + H2 (g) D. Na2CO3 (s) + nH2O (l) →Na2CO3.nH2O (s) E. S (s) → S (l) Correct Answer: Option A – C6H3 (l) → C6H6 (g)Products
-
Land Law and the Consequences of Unauthorized Land Transfers in Nigeria
Original price was: ₦1,000.00.₦300.00Current price is: ₦300.00.
-
Co-Ownership Structures and Land Acquisition Methods in Nigeria
Original price was: ₦1,000.00.₦300.00Current price is: ₦300.00.
-
Rights in Community Land and Fundamental Land Concepts in Nigeria
Original price was: ₦1,000.00.₦300.00Current price is: ₦300.00.
-
Customary Land Control and the Origins of Nigeria's Land Use Act
Original price was: ₦1,000.00.₦300.00Current price is: ₦300.00.
-
Land Ownership Principles and Transaction Laws in Nigeria
Original price was: ₦1,000.00.₦300.00Current price is: ₦300.00.