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Chemistry UTME / JAMB 2022 Carbon Carbon Compounds
A colored gas that is known to be poisonous and can readily damage the mucous lining of the lungs is?
A hydrogen sulphide
B carbon(ii)oxide
C chlorine
D sulphur(iv)oxide
medium Difficulty
Study Explanation
Chemistry UTME / JAMB 2022 Carbon Carbon Compounds
The pollutant usually presents in a city which generates its electricity from coal?
A fog
B carbon(ii)oxide
C smog
D sulphur(iv)oxide
medium Difficulty
Study Explanation
Chemistry UTME / JAMB 2022 Carbon Carbon Compounds
How many bonding pair are present in carbon(iv)oxide?
A 4
B 3
C 2
D 1
medium Difficulty
Study Explanation
Chemistry UTME / JAMB 2010 Carbon Carbon Compounds
Carbon (II) oxide is considered dangerous if inhaled mainly because it?
A can cause injury to the nervous system
B competes with oxygen in the blood
C competes with carbon (IV) oxide in the blood
D can cause lung cancer
medium Difficulty
Study Explanation
Chemistry UTME / JAMB 2009 Carbon Carbon Compounds
Which of the following allotrope of carbon is a constituent of a lead pencil?
A Graphite
B Diamond
C Lampblack
D Soot
medium Difficulty
Study Explanation
Chemistry WAEC / WASSCE 2008 Carbon Carbon Compounds
Diamond does not conduct electricity because it?
A has no free valence electrons
B is a giant molecule
C contains no bonded electrons
D is a solid at room temperature
medium Difficulty
Study Explanation
Chemistry UTME / JAMB 2006 Carbon Carbon Compounds
Carbon exist naturally in the combined state as?
A graphite
B coal
C diamond
D wood
medium Difficulty
Study Explanation
Chemistry WAEC / WASSCE 1993 Carbon Carbon Compounds
Carbon is often deposited in the exhaust-pipe of cars because of the?
A presence of carbon in petrol
B dehydrogenation of petrol
C incomplete combustion of petrol
D presence of additives in petrol
E contamination of petrol with diesel
medium Difficulty
Study Explanation