substance "X" was added to a test tube containing water and grounded arhar dal to the presence of metalnic yellow - Science -

Question

substance "X" was added to a test tube containing water and
grounded arhar dal to the presence of metalnic yellow the color of
solution changed pink identify "X"

Raisa Nazneen · Accepted Answer

The substance X is hydrochloric acid (HCl), because on adding
HCl to metanil yellow the colour changes to pink

substance "X" was added to a test tube containing water and grounded arhar dal to the presence of metalnic yellow.the color of solution changed pink.identify "X"