Question

A print paste for pigment printing of cotton fabric is prepared by using a synthetic thickener. The suitable chemical, amongst the following, to build the viscosity of the print paste is

• A. HCOOH
• B. NH$_4$OH
• C. CH$_3$COOH
• D. MgCl$_2$

Answer 1

Answer: (B)

NH$_4$OH

Answer 2

The correct option is (B):NH$_4$OH