Verified Solution • 2025–26 Session moderate

QJEEM19Ch9e1a: JEE Main 2019 Chemistry - Class 12 JEEM19Ch9e1a Solution: The correct statement is :

The correct statement is :

Multiple Choice Options

  • A zincite is a carbonate ore.
  • B Sodium cyanide cannot be used in the metallurgy of silver.
  • C aniline is a froth stabilizer.
  • D zone refining process is used for the refining of titanium.

Step-by-Step Verified Solution

Zincite is ZnO.

Sodium cyanide(AgCN) is used in Macarthur-forest Cyanide Process whre Ag is leached by dilute solution of NaCN.

Aniline is used as froth stabilizer in Froth flotation process.

Titanium is refined by Van Arkel method.

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