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Neco Chemistry Past Questions and Answers

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Neco Chemistry Past Questions

Question 136:


Which of the following is a solid at room temperature?

A. Argon
B. Bromine
C. Chlorine
D. Fluorine
E. Iodine


Question 137:


The green house effect is a climatic condition associated with the presence of excess ____________

A. Carbon (II) oxide
B. Carbon (IV) oxide
C. Hydrogen sulphide
D. Nitrogen (II) oxide
E. Oxygen


Question 138:


The following are ores of metals EXCEPT

A. Bauxite
B. Dolomite
C. Graphite
D. Haematite
E. Magnetite


Question 139:


Ptotal = P1 + P2 + P3 + ____________ Pn, is an expression of law

A. Boyle’s
B. Charles’
C. Dalton’s
D. Graham’s
E. Gay Lussac’s


Question 140:


All the following belong to the same family EXCEPT

A. Glycerol
B. Nylon
C. Perspex polyethene
D. Polyethene
E. Polystyrene






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