Multiple choice

The element not present in fertilisers is

  1. nitrogen

  2. hydrogen

  3. chlorine

  4. phosphorus
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Fertilisers typically contain nitrogen, phosphorus, and potassium (NPK). Chlorine is not a primary nutrient added to fertilisers and can actually be harmful to some plants in high concentrations.

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