Bronze is preferred to copper in the making of medals because it?
A. is stronger B. can withstand low temperature C. is lighter D. has low tensile strength Correct Answer: Option A – is stronger
The property of concentrated H2SO4 that makes it suitable for preparing HNO3 is its?
A. boiling point B. density C. oxidizing properties D. dehydrating properties Correct Answer: Option C – oxidizing properties
In the laboratory preparation of oxygen; dried oxygen is usually collected over?
A. hydrochloric acid B. mercury C. calcium chloride D. tetraoxosulphate (VI) acid Correct Answer: Option B – mercury Explanation Oxygen is usually collected over water because the solubility of the gas in water is not high. If the gas is needed dry, then it can...
The bleaching action of chlorine gas is effective due to the presence of?
A. hydrogen chloride B. water C. air D. oxygen Correct Answer: Option B – water
A few drops of concentrated HNO3 is added to an unknown solution and boiled for a while. If this produces a brown solution, the cation present is likely to be?
A. Pb²+ B. Cu²+ C. Fe³+ D. Fe²+ Correct Answer: Option C – Fe³+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.