WorksheetsAMMONIA
Total questions: 13
Worksheet time: 7mins
Sal Ammoniac is
Ammonium sulphate
Ammonium chloride
Ammonium nitrate
Ammonium carbonate
What is method of collection of ammonia?
Downward displacement of air
Upward displacement of air
Downward displacement of water
Upward displacement of water
Which of the following statement about ammonia preparation from ammonium chloride is false?
Round bottomed flask is kept in inclined position.
Ammonium chloride is taken in higher ratio by weight.
It liberates a pungent smelling gas.
Calcium hydroxide is the preferred alkali used.
Complete Mg3N2 +A -->B+NH3
A- Warm water, B-MgO
A-Warm water,B-Mg(OH)2
A-Water,B-MgO2
A-Water,B-Mg(OH)2
Which of the following statement about ammonia preparation is false.
Ammonium nitrate cannot be used as reactant.
Preparation from nitrides are seldom used.
Fused Calcium chloride is used as drying agent.
Ammonia gas formed is lighter than air .
Ammonia is used for:
a) cleaning agent
b) fertiliser
c) explosive production
d) soap production
a and b
b, c and d
a, b and c
c and d
Nitrogen for the Haber process is formed by
Fractional distillation of air
Fractional distillation of crude oil
Fixation of nitrogen by pea plants
Electrolysis of water
Nitrogen + hydrogen −> ammonia is exothermic . What will happen if we increase the temperature
The reaction will slow down
There will be no change in ammonia production
Ammonia will decompose
More ammonia will be produced
Why high pressures for the Haber process used in industry?
Favours the formation of ammonia
Avoid poisoning of catalyst
To reverse the reaction
to make reaction go slow
What are the complete conditions required for the Haber process?
200 - 900atm and 450°C, finely divided iron, molybdenum
650 atm and 200°C, Molybdenum, finely divided iron
2 atm and 450oC, finely divided iron, Molybdenum
4 atm and 250oC, finely divided iron, Molybdenum
What would happen if the temperature of a Haber process is reduced to below 450°C? (Choose 2)
Less ammonia would be produced
The reaction would be faster
More ammonia would be produced
The reaction will not take place
What is the effect of increasing the pressure of a Haber process?
Equilibrium shifts to the left, more ammonia is produced
Equilibrium shifts to the left, less ammonia is produced
Equilibrium shifts to the right, more ammonia is produced
Equilibrium shifts to the right, less ammonia is produced
What is the catalyst used in the Haber process?
Vanadium (V) Oxide
Nickel
Iron
Chromium
