chemical and ionic equations

mcqspedia.com has 5 Question/Answers about Topic chemical and ionic equations

Color gas is

Color gas is
  • A. methane
  • B. ethane
  • C. propane
  • D. butane
  • Correct Answer: Option D

A white smoke consisting of fine white solid particles is formed by

A white smoke consisting of fine white solid particles is formed by
  • A. propane
  • B. butane
  • C. magnesium oxide
  • D. tin oxide
  • Correct Answer: Option C

In Na2CO3.10H2O, percentage of water is

In Na2CO3.10H2O, percentage of water is
  • A. 0.5009
  • B. 0.1699
  • C. 0.6507
  • D. 0.6294
  • Correct Answer: Option D

To balance Al(OH)3 + HNO3 → Al(NO3)3 + H2O, number of Al(OH)3 molecules will be

To balance Al(OH)3 + HNO3 → Al(NO3)3 + H2O, number of Al(OH)3 molecules will be
  • A. 1
  • B. 2
  • C. 3
  • D. 4
  • Correct Answer: Option B

Formula of copper carbonate is

Formula of copper carbonate is
  • A. None
  • B. None
  • C. None
  • D. CuCOH
  • Correct Answer: Option A