CHEMISTRY

CHEMISTRY

Multiple Choice

Chemical name of Bauxite

• Al₂O₃

• Al₂O_3.H₂O

• Al₂O_3.2H₂O

• Al₂O_3.3H₂O

Multiple Choice

Which one of the following ions has the highest of value of ionic radius?

• O^-2

• B⁺³

• Li⁺

• F^-

Multiple Choice

The metal extracted by Leaching with a cyanide

• Mg

• Ag

• Cu

• Na

Multiple Choice

The compound formed as a result of propyl benzene by KMnO₄

Multiple Choice

Identify the Scientist in the picture

• Antoine Lavosier

• John Dalton

• Niels Bohr

• Linus Pauling

Multiple Choice

The metal extracted by Leaching with a cyanide

• Mg

• Ag

• Cu

• Na