Question

viii) Which of the following substance act as a flux ?
(a) Casio, (b) Naalo, (c) CaCO3 (d) Al(OH);​

Answer 1

Answer:

a

Explanation:

its the correct one

Answer 2

Answer:

The option A is correct .
Explanation:

• A flux is a chemical cleaning agent that is used to remove impurities from the metal extracted .
• The flux may be of two types :-
  Acidic flux
  Basic flux
  Acidic flux are used to remove basic impurities .
  Basic flux are used to remove acidic impurities .
• Materials used as flux are borax , silica , fluorite , limestone .
• limestone act as a flux and form a calcium silicate .
  
  Therefore only CaSiO will act as a flux , not NaAlO , CaCO3 and  Al(OH) .
  
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