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Chemistry 2001 NECO Past Questions

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11
Which metal will dissolve in aqueous sodium hydroxide?
  • A. aluminium
  • B. copper
  • C. iron
  • D. sikeer
  • E. tin
View Answer & Discuss (6) NECO 2001
12
in any chemical reaction, the total mass of products is always equal to that of the reactants.

This Is statement of the law of:
  • A. conservation of matter.
  • B. Constant composition
  • C. definite proportions.
  • D. multiple proportions.
  • E. reciprocal proportions.
View Answer & Discuss (1) NECO 2001
13

The alloy used for welding and plumbing contains

  • A. aluminum and copper.
  • B. copper and tin
  • C. iron and aluminum.
  • D. lead and antimony.
  • E. lead and tin.
View Answer & Discuss (1) NECO 2001
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14

Which compound is a product of the hydrolysis of the of CH\(_3\)COOC\(_3\)H\(_7\) with aqueous sodium hydroxide?

  • A. CH3COONa
  • B. CH3COONaCCH3OH
  • C. CH3OH
  • D. C2H5OH
  • E. C3H7COONa
View Answer & Discuss (5) NECO 2001
15
On exposure to hydrogen sulphide, moist lead (II) ethanoate paper turns
  • A. black
  • B. blue
  • C. green
  • D. white
  • E. yellow
View Answer & Discuss (2) NECO 2001
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