Related Questions

Dechlorination of treated water is necessary to
A Remove residual turbidity
B Reduce the bacterial load on filter
C Control taste and odour
D Remove chlorinous taste
A container holds 4 quarts of chemical and 4 quarts of water. How many quarts of water must be added to the container to create a mixture that is 3 parts chemical to 5 parts water by volume?
A 4/3
B 5/3
C 7/3
D 8/3
Chemical potential (an intensive property) of a substance is a force that drives the chemical system to equilibrium and is equal to its partial molar properties. The reatio of chemical potential to free energy of a pure substance at oconstant temperature and pressure is
A 0
B 1
C ∞
D None of these
Ceramic compounds as compared to metallic compounds
A Crystallise faster
B Resist greater tensile stress at room temperature
C Have higher melting temperature
D Are better conductor of electricity at higher temperature
'Utilities' in a chemical process plant includes compressed air, steam, water, electrical power, oxygen, acetylene, fuel gases etc. Utility costs for ordinary chemical process plants ranges roughly from __________ percent of the total product cost.
A 1 to 5
B 10 to 20
C 25 to 35
D 35 to 45
A sink contains exactly 12 liters of water. If water is drained from the sink until it holds exactly 6 liters of water less than the quantity of water drained away, how many liters of water were drained away ?
A 2
B 3
C 9
D 6
Chemical kinetics can predict the __________ of a chemical reaction.
A Rate
B Feasibility
C Both A & B
D Neither A nor B
Water from springs contain dissolved __________ compounds which are used to cure some skin diseases.
A Nitric
B Carbon
C Oxide
D Sulphur
It is____ to try destroy pest completely with chemical poisons, for as each new chemical pesticide introduced, the insects gradually become ____ to it.
A useless/drawn
B pointless/vulnerable
C futile/resistant
D wicked/indifferent
The economic life of a large chemical process plant as compared to a small chemical plant is
A Only slightly more
B Much more
C Slightly less
D Almost equal

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