[ Post UTME Begins ]: View The List Of Schools That Have Released 2026 Post-UTME Forms.
WAEC and NECO CBT Software for Computers and Laptops - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
Post UTME Past Questions Agent
  1. Home
  2. Classroom
  3. Agricultural Science
  4. WAEC 2012
  5. Determine the weight...

Determine the weight of potassium in a 50 kg NPK (20:20:10) bag of fertilizer.

Agricultural Science
WAEC 2012

Determine the weight of potassium in a 50 kg NPK (20:20:10) bag of fertilizer.

  • A. 5.0 kg
  • B. 7.0 kg
  • C. 10.0 kg
  • D. 20.0 kg
Your School's Whatsapp Group - Join Us now
WAEC and NECO CBT App for Mobile Devices - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
Post UTME Past Questions Agent
Correct Answer: Option C
Explanation

N: P: K = 20: 20: 10

The mass of potassium in 50 kg of NPK = \(\frac{10}{50}\) x 50 = 10 kg

(Total ratio = 20 + 20 + 10 = 50)

Previous Next
Go back to Agric classroom

Report an Error Ask A Question Download App
WAEC and NECO CBT App for Mobile Devices - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
Post UTME Past Questions Agent
WAEC and NECO CBT Software for Computers and Laptops - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
{{ text }}

Contributions ({{ comment_count }})

Please wait...

{{ settings.no_comment_msg ? settings.no_comment_msg : 'There are no comments' }}

Quick Questions

Post your Contribution

Please don't post or ask to join a "Group" or "Whatsapp Group" as a comment. It will be deleted. To join or start a group, please click here

{{ quote.posted_by.display_name }}
{{ settings.form_textarea_description }}
 
WAEC and NECO CBT Software for Computers and Laptops - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
Your School's Whatsapp Group - Join Us now
WAEC and NECO CBT App for Mobile Devices - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
Post UTME Past Questions Agent
Your School's Whatsapp Group - Join Us now
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC and NECO CBT Software for Computers and Laptops - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
Post UTME Past Questions Agent