1980
Detergents are more advantageous than soaps in hard water districts because
See more
1980 JAMB UTME Chemistry Past Questions
1980
Which of the following derivatives of nitrogen affords an aqueous solution having a pH of less that 7?
See more
1980
When copper (ii) sulphate solution is treated with excess ammonium hydroxide, a precipitate is first formed, and then this dissolves to give a deep blue solution. This deep blue solution is a
See more
1980
Which of the following tests would confirm-unequivocally that a solution X contain the sulphate ion if it gives with
See more
1980
The following arrangement of elements in order of decreasing number of outer electrons; One of the elements is wrongly placed. Which is it? ALUMINIUM, CHLORINE, SILICON, MAGNESIUM AND SODIUM.
See more
1980
An endothermic reaction is one during which heat is.....and can be represented by the symbol.... which of the following combinations can be used accurately to complete the above definition?
See more
1980
Which of the following classes of organic compounds undergoes rapid oxidation with bromine water?
See more
1980
How many grams of hydrogen gas will be liberated when 6g of magnesium ribbon dissolves in 500cm3 of 6M HCl? (Mg = 24, H = 1, Cl = 35.5)
See more
1980
A solution X on mixing with AgNO3 solution, gives a white precipitate solution in NH3. A Solution Y, when added to X, also gives a white precipiate which is soluble on boiling. Solution Y contains?
See more