Chemical Process - Chemical Engineering Questions and Answers

Whatsapp
Facebook
Copy
Copy Text
Copy
Copy URL
Share as Image
As Image

High temperature carbonisation of coal takes place at __________ °C.

2000

700

1100

< 500

Whatsapp
Facebook
Copy
Copy Text
Copy
Copy URL
Share as Image
As Image

White phosphorous is stored under water, because

it does not react with water.

it is poisonous.

its kindling temperature in dry air is very low.

it is unstable.

Whatsapp
Facebook
Copy
Copy Text
Copy
Copy URL
Share as Image
As Image

__________ is not a constituent of gun powder.

Carbon

Charcoal

Sulphur

Potassium nitrate

Whatsapp
Facebook
Copy
Copy Text
Copy
Copy URL
Share as Image
As Image

Hydrophilic group of a soap or detergent solution is

water hating

soil loving

water loving

none of these

Whatsapp
Facebook
Copy
Copy Text
Copy
Copy URL
Share as Image
As Image

Rotary kiln is not involved in the production of

cement

lime from limestone

slaked lime from quick lime

none of these

Whatsapp
Facebook
Copy
Copy Text
Copy
Copy URL
Share as Image
As Image

Mercury electrolytic cell produces 50-70% NaOH solution. Its operating temperature is __________ °C.

60-70

150-200

250-300

Whatsapp
Facebook
Copy
Copy Text
Copy
Copy URL
Share as Image
As Image

Vanillin is a type of

anti-pyretic drug

food preservative

flavour

dye

Whatsapp
Facebook
Copy
Copy Text
Copy
Copy URL
Share as Image
As Image

Temporary hardness of water can be removed by

addition of alum (a coagulant).

boiling.

filtration (through gravity sand filter).

addition of lime.

Whatsapp
Facebook
Copy
Copy Text
Copy
Copy URL
Share as Image
As Image

More than 100 percent of __________ is present in oleum.

SO₃

H₂SO₄

H₂SO₃

SO₂