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Study of Compounds : Ammonia and Nitric Acid
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Q.1. Ammonia can be obtained by adding water to :
*
1 point
Magnesium nitrate
Magnesium nitride
Ammonium chloride
Ammonium nitrite
Q.2. Ammonia is soluble in water because :
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1 point
A polar molecule
A base
An acid
A simple covalent compound
Q.3. Nitrogen gas can be obtained by heating :
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1 point
Magnesium nitride
Ammonium nitrate
Ammonium nitrite
Ammonium chloride
Q.4. The nitrate which evolves laughing gas on decomposition :
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1 point
Calcium nitrate
Sodium nitrate
Ferric nitrate
Ammonium nitrate
Q.5. Rotten egg smell is due to the liberation of :
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1 point
HCl gas
H2S gas
SO2 gas
Cl2 gas
Q.6. The temperature at which catalytic oxidation of ammonia is carried out :
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1 point
500°C
200°C
800°C
1000°C
Q.7. With excess of chlorine, NH3 forms :
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1 point
NOCl
NH4Cl
N2Cl
NCl3
Q.8. Liquid NH3 is employed in refrigerator, because :
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1 point
It has a high dipole moment
It is stable hydride
It has high heat of evaporation
It is more basic
Q.9. Ammonia nitrate is used in :
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1 point
Lining vessels
Paints
Textile industry
Preparing explosives
Q.10. The brown ring test is used for the detection of :
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1 point
Cl–
CO3 – –
NO3–
SO3 – –
Q.11. The composition of brown ring formed at the junction is :
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1 point
FeSO4.H2O
FeSO4.OH
FeSO4
FeSO4.NO
Q.12. Which acid is prepared by Ostwald’s process :
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1 point
Sulphuric acid
Nitric acid
Tartaric acid
Oleic acid
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