Washing soda
Soda ash
Plaster of paris
Calcite
✅ The correct answer is option B.
Chemical Engineering MCQs
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.
Which of the following is an organo-metal-lic compound?
Isopropyl alcohol
Tetra-ethyl lead
Zeolite
Cumene
✅ The correct answer is option B.
Bordeaux mixture is a/an
Fertiliser
Inorganic fungicide
Insecticide
Explosive
✅ The correct answer is option B.
Which allotrope of sulphur is insoluble in carbon disulphide?
Rhombic sulphur
Monoclinic sulphur
Plastic sulphur
Milk of sulphur
✅ The correct answer is option C.
The process involved in converting rubber into a thin sheet or coating it on fabric is called
Extrusion
Mastication
Calendering
Valcanisation
✅ The correct answer is option C.