Question

DIRECTIONS: Read the passage (s) given below and answer the questions that follow. Passage - 1 Lemonade is prepared by mixing lemon juice an sugar in water. You extracted lemon juice from lemon and used some method to remove solid particles of pulp from it before mixing it with water. Now you add sugar and ice to the above solution before serving it. In which case would the lesser amount of sugar be dissolved in it.
A) If we first add ice B) If we first add sugar C) If we use a stirrer D) Can't predict

Answer 1

A. If we first add ice.... the ambient energy will be used up in the melting of ice as latent heat of melting ice. The sugar to be dissolved requires some energy for being dissolved thus warmer the solvent faster will the solvent(here sugar) be dissolved.