Calculating Nitrogen Content

Calculating Nitrogen Content

10th Grade

11 Qs

quiz-placeholder

Similar activities

IGCSE Coordinated Chemistry Workout 17

IGCSE Coordinated Chemistry Workout 17

9th - 10th Grade

10 Qs

Choice Board Extra Credit - Jonathan Nguyen

Choice Board Extra Credit - Jonathan Nguyen

10th Grade

10 Qs

Chemistry Quiz on Ammonia

Chemistry Quiz on Ammonia

10th Grade

11 Qs

Remembering the Polyatomic ions

Remembering the Polyatomic ions

9th - 12th Grade

16 Qs

Fertilisers

Fertilisers

10th Grade

14 Qs

Hydrogen

Hydrogen

8th - 11th Grade

12 Qs

Titration Quiz

Titration Quiz

9th - 11th Grade

10 Qs

Qualitative Analysis

Qualitative Analysis

10th - 11th Grade

11 Qs

Calculating Nitrogen Content

Calculating Nitrogen Content

Assessment

Quiz

Chemistry

10th Grade

Medium

Created by

Maisarah Naim

Used 3+ times

FREE Resource

11 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Farmers add ammonium sulfate to the soil. What is the purpose of this?

A. To add sulfur to the soil.

B. To add nitrogen to the soil.

C. To neutralise excess acid in the soil.

D. To destroy excess lime in the soil.

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What are the essential elements found in KNO3 which can help in plant growth?

A. Nitrogen and Oxygen

B. Phosphorus and Nitrogen

C. Potassium and Nitrogen

D. Potassium and Oxygen.

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Which compound when reacted with sulfuric acid produces a product which is used as a fertiliser?

A. ammonia

B. calcium carbonate

C. calcium hydroxide

D. sodium hydroxide

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Which substance has the highest percentage by mass of nitrogen?

A. NH4NO3

B. (NH3)2SO4

C. CO(NH2)2

D. (NH4)3PO4

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

All ammonium salts on heating with sodium hydroxide produce ammonia gas.


From which ammonium salt can the greatest mass of ammonia be obtained?

A. 0.5 mol (NH4)3PO4

B. 0.5 mol (NH4)2SO4

C. 1.0 mol NH4Cl

D. 1.0 mol NH4NO3

6.

OPEN ENDED QUESTION

5 mins • 1 pt

6. Farmers that grow vegetable oil crops often use large quantities of ammonium nitrate fertlisers, NH4NO3.


a) Calculate the percentage by mass of nitrogen in ammonium nitrate.


% By mass = _________________

[Mark: 1]

Evaluate responses using AI:

OFF

7.

OPEN ENDED QUESTION

10 mins • 1 pt

b) A sample of ammonium phosphate can be produced by the reaction of aqueous ammonia and phosphoric acid.


3NH3(aq) + H3PO4(aq) --> (NH4)3PO4(aq)


25.0 cm3 of 1.25 mol/dm3 phosphoric acid is neutralised by 45.3 cm3 of aqueous ammonia.


i) Calculate the concentration, in mol/dm3, of the ammonia used.


Concentration of ammonia = ____________ mol / dm3

[Mark: 3]

Evaluate responses using AI:

OFF

Create a free account and access millions of resources

Create resources
Host any resource
Get auto-graded reports
or continue with
Microsoft
Apple
Others
By signing up, you agree to our Terms of Service & Privacy Policy
Already have an account?