Single Choice

Which of the nitrogenous fertilizers can meet the needs for immediate requirement of the crop?

APotassium nitrate
Correct Answer
BSuper phosphate of lime
CCalcium cyanamide
DCAN

Solution

Most crops preferably absorb nitrogen in nitrate form. Nitrate fertilizers (like potassium nitrate) are readily soluble in water and meet the immediate nitrogen requirement of plants. Nitrogen is involved in forming amino-acids, which are the building blocks of proteins.

SIMILAR QUESTIONS

p - block Elements

Nitrites and nitrates are added to food to keep meat red for a longer time but there are harmful effects. What are these harmful effects?

p - block Elements

Give two chemical equations for each of the following: (a) Reactions of nitric acid with non-metals (b) Nitric acid showing as acidic character (c) Nitric acid acting as oxidizing agent

p - block Elements

Write balanced equations and name the products formed when: (a) Sodium hydrogen carbonate is added to nitric acid (b) cupric oxide reacts with nitric acid (c) zinc reacts with dilute nitric acid (d) concentrated nitric acid is heated

p - block Elements

Mention three important uses of nitric acid. Give the property of nitric acid involved in the use.

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