2
10
25
50
C. 25
Amino acid
Biological catalyst
Protein
Enzyme
Can give ammonia synthesis gas (H2 + N2)
Is a moving bed reactor
Cannot use coking coal
Operate at very high pressure
High early strength cement are made from materials having high silica to lime ratio
The function of gypsum in cement is to enhance its initial setting rate
Acid resistant cements are known as silicate cement
Major component of greyish Portland cement is tricalcium silicate
Simply boiling
Adding alum
Passing it through cation & anion exchangers
All (A), (B) and (C)
Crystallisation
Vacuum crystallisation
Atmospheric distillation
Dehydration
Polybutadiene
Styrene butadiene rubber (SBR)
Polyurethane
Polychlorophrene
Act as an acidifying agent
Increase its concentration
Increase the amount of molasses
Increase the crystal size
Endothermic
Exothermic
Irreversible
Both (B) and (C)
Na2SO4
CaSO4. ½H2O
MgSO4
BaSO4
Endothermic
Autocatalytic
Exothermic
Homogenous
Cutting
Fibrillation
Hydration
Strengthening
Cannot be made from sulphite pulp
Utilises H2SO4, NaOH and CS2 during its manufacture
Cannot yield textile grade fibre
None of these
Moving
Fixed
Fluidised
Entrained
Is a good adhesive
Is an elastomer
Cannot be used for surface coatings
Is a polyester
Light soda ash
Dense soda ash
Sodium bicarbonate
Dehydrated soda ash
Dehydrogenation
Oxidation
Alkylation
Dehydration
Phosphoric acid
Phosphorous
Superphosphates
All (A), (B) and (C)
Glucose
Fructose
Sucrose
Lactose
Pyrex
Soda lime
Lead
High silica
Sodium sulphide & sodium carbonate
Sodium sulphite & sodium carbonate
Sodium sulphite & sodium sulphide
None of these
102 - 102
105 - 109
102 - 107
109 - 1011
Gypsum
Silicates
Sodium silicate
Carbonates
Density difference
Wetting characteristics
Terminal velocities
None of these
Remove double bonds
Raise its melting point
Improve its resistance to oxidation
None of these
Carbon, hydrogen, nitrogen & sulphur
Carbon, ash, sulphur & nitrogen
Carbon, sulphur, volatile matter & ash
Carbon, volatile matter, ash & moisture
Require lower initial investment
Require more power
Produce lower concentration NaOH
None of these
A fat is converted into oil by its hydrogenation
There is no difference between a fat and an oil so far as its physical properties are concerned
All vegetable oils except coconut oil, contains fatty acids having more than sixteen carbon atoms
Vegetable oils are classified as drying, non-drying and semi drying oils depending upon their fatty acids content
Triglyceride
Fatty acids
Fatty alcohol
Mono esters
Trichloroethylene
Vinyl chloride
Ethanol amine
Ethylene oxide
Bakelite
Neoprene
Teflon
Nylon-66