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In the diagram below, the purpose of the asbestos to
absorb impurities
catalyse the reaction
solidify the gas
dry the gas
Which of the following is used in rocket fuels?
HNO3
CH3COOH
H2SO4
HCl
To a solution of an unknown compound, a little dilute tetraoxosulphate (VI) acid was added with some freshly prepared iron (II) tetraoxosulphate (VI) solution. The brown ring observed after the addition of a stream of concentrated tetraoxosulphate (VI) acid confirmed the presence of
CO
Cl-
SO
NO
2H2(g) + O2(g) ⇋ 2H2O(g) ΔH = - ve. What happens to the equilibrium constant of the reaction above if the temperature is increased?
it is unaffected
it becomes zero
it decrease
it increases
