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Chemistry
UTME / JAMB 2021
Air and Air Pollution
Solution
The gas which causes global warming is?
A
\(O_2\)
B
C\(O_2\)
C
\(N_2\)
D
He
medium Difficulty
Study Explanation
Chemistry
UTME / JAMB 2021
Air and Air Pollution
Solution
In troposphere, the two types of pollutants are?
A
Gaseous and particulate pollutants
B
Carbon and metallic pollutants
C
Natural and man-made pollutants
D
Sulphuric and nitrogenous pollutants
medium Difficulty
Study Explanation
Chemistry
UTME / JAMB 2010
Air and Air Pollution
Solution
When iron is exposed to moist air, it gradually rusts. This is due to the formation of?
A
hydrate iron (III) oxide
B
anhydrous iron (III) oxide
C
anhydrous iron (II) oxide
D
hydrate iron (II) oxide
medium Difficulty
Study Explanation
Chemistry
UTME / JAMB 2009
Air and Air Pollution
Solution
The mixture of gases used in a photographer's flash tube is?
A
argon and krypton
B
krypton and xenon
C
helium and argon
D
argon and xenon
medium Difficulty
Study Explanation
Chemistry
UTME / JAMB 2009
Air and Air Pollution
Solution
When sodium trioxocarbonate (IV) decahydrate loses its water of crystallization to the atmosphere, the process is?
A
deliquescence
B
efflorescence
C
hygroscopic
D
effervesecence
medium Difficulty
Study Explanation
Chemistry
UTME / JAMB 2003
Air and Air Pollution
Solution
A consequence of global warming is?
A
air pollution
B
water pollution
C
increased humudity
D
flooding
medium Difficulty
Study Explanation
Chemistry
UTME / JAMB 2001
Air and Air Pollution
Solution
Environmental pollution is worsened by the release from automobile exhausts of?
A
Water vapour
B
Steam
C
Smoke
D
Heavy metals
medium Difficulty
Study Explanation
Chemistry
UTME / JAMB 1994
Air and Air Pollution
Solution
In an electrolytic set-up to protect iron from corrosion, the iron is?
A
made cathode
B
made anode
C
used with a metal of lower electropositive potential
D
initially coated with tin
medium Difficulty
Study Explanation