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Q 1/6
Score 0
Which pair of compounds from the following chemicals could be added to Ammonium sulfate to make a fertilizer that provides soil with the three elements required for plant growth?
60
Potassium sulfate and sodium phosphate
ammonium chloride and sodium hydrogen phosfate
sodium chloride and calcium phosphate
calcium nitrate and ammonium chloride
Q 2/6
Score 0
Which three elements should a complete NPK fertilizer contain?
60
Nitrogen, palladium, and phosphorus
Sodium, phosphorus, and potassium
Nitrogen, phosphorus, and potassium
Nitrogen, platinum, and potassium
6 questions
Q.
Which pair of compounds from the following chemicals could be added to Ammonium sulfate to make a fertilizer that provides soil with the three elements required for plant growth?
1
60 sec
Q.
Which three elements should a complete NPK fertilizer contain?
2
60 sec
Q.
Why is fertilizer (A) not as effective as fertilizer (B) at promoting plant growth?
3
60 sec
Q.
Which of the following is not a reason why farmers use fertilizers?
4
60 sec
Q.
Why do plants benefit from a fertilizer containing nitrogen?
5
60 sec
Q.
Which of the following combinations of chemicals would not make a complete NPK fertilizer?
