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Chemistry Past Questions

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2956
Which of the following is a solid at room temperature?
  • A. Argon
  • B. Bromine
  • C. Chlorine
  • D. Fluorine
  • E. Iodine
View Answer & Discuss (2) NECO 2009
2957
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
View Answer & Discuss NECO 2009
2958

The following are ores of metals EXCEPT

  • A. bauxite
  • B. dolomite
  • C. graphite
  • D. haematite
  • E. magnetite
View Answer & Discuss (1) NECO 2009
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2959
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
View Answer & Discuss (3) NECO 2009
2960
All the following belong to the same family EXCEPT
  • A. glycerol
  • B. nylon
  • C. perspex polyethene
  • D. polyethene
  • E. polystyrene
View Answer & Discuss NECO 2009
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