Which of the following would be most useful in testing if a substance is either an acid or a base?

Which of the following would be most useful in testing if a substance is either an acid or a base?

اگر کوئی مادہ یا تو تیزاب ہے یا بیس ہے تو درج ذیل میں سے کون سا ٹیسٹ کرنے میں سب سے زیادہ مفید ہوگا؟
Explanation
  • Litmus paper is a simple and effective way to test whether a substance is an acid or a base.
  • It turns red in acidic solutions and blue in basic solutions.