Multiple choice

Directions: The following sentence has been split into four parts. One of the parts may have an error of grammar or syntax. Select the part having the error. If there is no error, select (5).

  1. The glass tube

  2. in a fluorescent lamp

  3. contains mercury vapour

  4. under small pressure.

  5. No error
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

How can we associate pressure with the word, 'small'? Pressure can be either high or low.

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