JAMB UTME - Chemistry - 1981
Ajụjụ 1 Ripọtì
Akọwa Nkọwa
Ajụjụ 3 Ripọtì
Ajụjụ 4 Ripọtì
Ajụjụ 5 Ripọtì
Ajụjụ 6 Ripọtì
(Al = 27)
Ajụjụ 7 Ripọtì
(Atomic number of Na = 11)
Ajụjụ 8 Ripọtì
Akọwa Nkọwa
Ajụjụ 9 Ripọtì
Ajụjụ 11 Ripọtì
(Na = 23, C = 12, O = 16)
Ajụjụ 12 Ripọtì
Ajụjụ 13 Ripọtì
C + 2HNO3 → CO2 + NO2 + NO + H2O nitric acid is acting as?
Ajụjụ 14 Ripọtì
An efflorescent compound is a substance that?
Ajụjụ 16 Ripọtì
Ajụjụ 17 Ripọtì
The IUPAC name for
Ajụjụ 18 Ripọtì
Akọwa Nkọwa
Ajụjụ 19 Ripọtì
Sodium and potassium belong to the same group of the Periodic Table. This is because?
Ajụjụ 22 Ripọtì
Ajụjụ 23 Ripọtì
Ajụjụ 24 Ripọtì
(Na = 23, Cl = 35.5)
Akọwa Nkọwa
Ajụjụ 25 Ripọtì
Akọwa Nkọwa
Ajụjụ 26 Ripọtì
Flask P was treated with warm bench sodium hydroxide and all the aluminium dissolved in one hour. Flask Q was treated with cold sodium hydroxide and all the aluminium dissolved in 10 minutes. What was responsible for Q reacting faster than P?
Akọwa Nkọwa
Ajụjụ 27 Ripọtì
Ajụjụ 28 Ripọtì
(H = 1, S = 32, O = 16)
Akọwa Nkọwa
Ajụjụ 29 Ripọtì
Compound Boiling Point
i.................................14°C
ii................................24°C
iii................................0°C
iv................................120°C
V.................................-2°C
From the above information, indicate which of the following is correct?
Ajụjụ 30 Ripọtì
Ajụjụ 31 Ripọtì
Its atomic number is?
Ajụjụ 32 Ripọtì
Ajụjụ 33 Ripọtì
Ajụjụ 34 Ripọtì
Ajụjụ 36 Ripọtì
Ajụjụ 38 Ripọtì
Akọwa Nkọwa
Ajụjụ 39 Ripọtì
Ajụjụ 40 Ripọtì
(1 mole of gas occupies 22.4 dm3 at s.t.p)
(Na = 23, C = 12, O = 16)
Ajụjụ 42 Ripọtì
Akọwa Nkọwa
Ajụjụ 43 Ripọtì
Ajụjụ 44 Ripọtì
Ajụjụ 45 Ripọtì
Akọwa Nkọwa
Ajụjụ 46 Ripọtì
Ajụjụ 47 Ripọtì
Ajụjụ 48 Ripọtì
Ajụjụ 49 Ripọtì
Akọwa Nkọwa
