by Sunday | Jan 2 | Chemistry WAEC
A. the constituents of air are in a fixed proportion by mass B. it cannot be represented with a chemical formula C. the constituents of air can be separated by physical means D. none of the above Correct Answer: Option A A. the constituents of air are in a fixed...
by Sunday | Jan 2 | Chemistry WAEC
A. biological catalysts are called enzymes B. catalyst do not appear in the balanced equation C. catalyst reduce the activation energy for a reaction D. catalysts do not alter the mechanism of the reaction and never appear in the rate low Correct Answer: Option D D....
by Sunday | Jan 2 | Chemistry WAEC
A. -122kJ B. -132kJ C. -88kJ D. -60kJ Correct Answer: Option B B. -132kJ
by Sunday | Jan 2 | Chemistry WAEC
A. yellow to green B. orange to green C. yellow to red D. orange to red Correct Answer: Option B B. orange to green Explanation Potassium dichromate is an oxidising agent in organic chemistry. It is used to oxidize alcohols. In an aqueous solution the color change...
by Sunday | Jan 2 | Chemistry WAEC
A. the equilibrium will shift B. rate of forward reaction will increase C. rate of backward reaction will increase D. rates of forward and backward reaction are not affected Correct Answer: Option B B. rate of forward reaction will increase Explanation Given: The...
Land Law and the Consequences of Unauthorized Land Transfers in Nigeria
Original price was: ₦1,000.00.₦300.00Current price is: ₦300.00.