A chemical system is at equilibrium when
A chemical system is at equilibrium when A. δ G is positive B. δ G is zero C.…
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The gas in air used by plants for photosynthesis is
The gas in air used by plants for photosynthesis is A. Argon B. Carbon (IV) oxide C. Nitrogen…
A solution is prepared by dissolving I .96g of H2SO4 in 250 cm3 of its…
A solution is prepared by dissolving I .96g of H2SO4 in 250 cm3 of its solution. What is…
The rate of a chemical reaction is NOT affected by one of these factors
The rate of a chemical reaction is NOT affected by one of these factors A. colour B. concentration…
( ^{234}_{90}Th → ^{234}_{91}Pa + X ) In the nuclear reaction above, X is
( ^{234}_{90}Th → ^{234}_{91}Pa + X ) In the nuclear reaction above, X is A. ( ^0_1e )…
What is the colour of phenolphthalein indicator in a basic medium?
What is the colour of phenolphthalein indicator in a basic medium? A. Blue B. Colourless C. Orange D.…
Which of the following will Increase the rate of reaction of Chips of a metal…
Which of the following will Increase the rate of reaction of Chips of a metal M as shown…
Which of the following is a component of the car exhaust?
Which of the following is a component of the car exhaust? A. Aluminium B. Calcium C. Iron D.…
The most efficient absorber of ultraviolet radiation in the atmosphere is
The most efficient absorber of ultraviolet radiation in the atmosphere is A. CO2 B. H2 C. H2O D.…