Multiple choice

Directions: Four parts of the sentence given below have been underlined. Identify the part having an error and mark it. If no part has an error, mark option (5) as your answer.

(1) Each chemical element is characterized (2) as per the number of protons that (3) an atom of that element contains, called (4) the element's atomic number. (5) No error

  1. (1)

  2. (2)

  3. (3)

  4. (4)

  5. (5)

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Replace ‘as per’ by ‘by’. The element is characterised ‘by’.