question_answer 46)

  Which of the following statement is true for acids?                 (a) Bitter and change red litmus to blue                 (b) Sour and change red litmus to blue                 (c) Sour and change blue litmus to red                   (d) Bitter and change blue litmus to red                

Answer:

  (c) Acids are those chemical substances which have a sour taste and turn blue titmus solution to red. On the other hand, bases are bitter in taste and soapy to touch and turn red litmus solution to blue.