H₂SO₃
H₂SO₄
H₂S₂O₇
H₂SO₇
✅ The correct answer is option C.
Chemical Process MCQs
Oil produced by solvent extraction
Has low free fatty acid content
Is odourless
Both A & B
Neither A nor B
✅ The correct answer is option D.
Gun powder uses
Sulphur
Charcoal
Potassium nitrate
All of the above
✅ The correct answer is option D.
With increase in temperature, the equilibrium constant at constant pressure (Kp) for oxidation of sulphur dioxide
Increases
Increases linearly
Decreases
Decreases linearly
✅ The correct answer is option C.
Na₂CO₃ is called
Washing soda
Soda ash
Plaster of paris
Calcite
✅ The correct answer is option B.
Which of the following impurities in feed water for high pressure boiler is the most detrimental?
Silica
Dissolved oxygen
Suspended salt
Dissolved salt
✅ The correct answer is option A.
L.D. converter is used in the production of
Pig iron
Steel
Copper
Zinc
✅ The correct answer is option B.
Sulphuric acid is mainly used in the __________ industry.
Fertiliser
Steel
Paper
Paint
✅ The correct answer is option A.
Dechlorination of treated water is necessary to
Remove residual turbidity
Reduce the bacterial load on filter
Control taste and odour
Remove chlorinous taste
✅ The correct answer is option D.
Parathion and Malathion are
Pesticides
Plasticisers for unsaturated polysters
Pain-relieving drugs (analgesic)
Tranquilisers
✅ The correct answer is option A.