Nitrogen content of calcium ammonium nitrate (CAN) is __________ percent.

Nitroglycerene absorbed in wood flour, sodium nitrate or ammonium nitrate is commercially used as a controlled explosive called dynamite. The raw material used for its manufacture are glycerene, nitric acid and

A

Sulphuric acid

B

Phosphoric acid

C

Hydrochloric acid

D

Hydroflouric acid

Calcium ammonium nitrate (a fertiliser) is dried in a __________ dryer.

A

Rotary

B

Vacuum

C

Tunnel

D

Tray

Calcium ammonium nitrate (CAN) is

A

A mixed fertiliser

B

A straight fertiliser

C

A complex fertiliser

D

Not a fertiliser ; it is an explosive

In calcium ammonium nitrate (CAN) fertil-ser

A

Nitrate nitrogen is quick acting

B

Ammoniacal nitrogen is quick acting

C

Nitrate nitrogen is slower acting

D

None of these

Nitrogen content in ammonium sulphate (a fertiliser) is around __________ percent.

A

5

B

20

C

50

D

65

Neutralisation of nitric acid with ammonia to produce ammonium nitrate is a/an __________ reaction.

A

Catalytic

B

Endothermic

C

Exothermic

D

Autocatalytic

Recently in which of the following cities, a large amount of ammonium nitrate exploded, causing server damage and death?

A

Benghazi

B

Tripoli

C

Beirut

D

Amman

Ammonium nitrate is

A

Having about 40% N₂

B

Not hygroscopic

C

Not prone to explosive thermal decomposition

D

Mixed with limestone powder to reduce its explosive nature before using it as a fertilizer

Ammonium nitrate (is mixed with limestone) is not used as fertiliser as such, because

A

It is hygroscopic and explosive in nature

B

It is highly acidic in nature

C

It is a liquid at room temperature

D

Its nitrogen content is very less

Ammonium nitrate (a fertiliser) is coated with limestone powder to

A

Increase its nitrogen content

B

Cut down its production cost

C

Avoid the risk of explosion

D

Add extra nutrient as fertiliser

Nitrogen content of calcium ammonium nitrate (CAN) is __________ percent.

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