a level chemistry oxides

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Group 0 elements consist of

Group 0 elements consist of
  • A. giant metallic structure
  • B. giant molecules
  • C. simple molecules
  • D. individual atoms
  • Correct Answer: Option D

Oxidation number of sulpher dioxide is

Oxidation number of sulpher dioxide is
  • A. +2
  • B. +4
  • C. +6
  • D. +8
  • Correct Answer: Option B

Oxygen has a higher electronegativity than

Oxygen has a higher electronegativity than
  • A. None
  • B. None
  • C. None
  • D. both A and B
  • Correct Answer: Option C

Oxidation number of sulfur trioxide is

Oxidation number of sulfur trioxide is
  • A. +2
  • B. +4
  • C. +6
  • D. +8
  • Correct Answer: Option C

Consider reaction: SiO2(s) + NaOH(l) → Na2SiO3aq + H2O(l). moles of SiO2 required to complete reaction would be

Consider reaction: SiO2(s) + NaOH(l) → Na2SiO3aq + H2O(l). moles of SiO2 required to complete reaction would be
  • A. 1
  • B. 2
  • C. 3
  • D. 4
  • Correct Answer: Option A