Multiple choice

Which of the following statements is/are false? P. Laughing gas is NO. Q. On Kelvin scale, 0oC is equal to - 283 K. R. CO2 is used in cold drinks.

  1. P only

  2. Q only

  3. R only

  4. P and Q only

  5. Q and R only
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

P. Nitrous oxide (N2O) is commonly known as laughing gas. Q. On Kelvin scale, 0oC is equal to - 273 K. R. Carbon dioxide is used to produce carbonated soft drinks and soda water.

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