When few drops of concentrated trioxonitrate(V) acid is added to an unknown sample and wanned…
When few drops of concentrated trioxonitrate(V) acid is added to an unknown sample and wanned an intense yellow…
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A given mass of gas occupies 2dm3 at 300k. At what temperature will its volume…
A given mass of gas occupies 2dm3 at 300k. At what temperature will its volume be doubled, keeping…
The process that occurs when two equivalent forms of a compound are in equilibrium is
The process that occurs when two equivalent forms of a compound are in equilibrium is A. Isotopy B.…
In the laboratory preparation of ethyl ethanoate, the water present in the mixture is removed…
In the laboratory preparation of ethyl ethanoate, the water present in the mixture is removed using ? A.…
The constituent of air necessary in the rusting process are
The constituent of air necessary in the rusting process are A. O2 and H2O B. Ar and CO2…
Temporary hard water is formed when rain water containing dissolved carbon(IV) oxide flows over deposits…
Temporary hard water is formed when rain water containing dissolved carbon(IV) oxide flows over deposits of A. CaCO3…
The acid anhydride that will produce weak acid in water is
The acid anhydride that will produce weak acid in water is A. SO3 B. NO2 C. SO2 D.…
The shape of the S-orbital is
The shape of the S-orbital is A. elliptical B. spiral C. circular D. spherical Correct Answer: Option D…
Which of the following gases is monoatomic?
Which of the following gases is monoatomic? A. Argon B. Chlorine C. Nitrogen D. Oxygen Correct Answer: Option…
The correct balanced equation for the reaction between aluminium metal and hot concentrated tetraoxosulphate(VI)acid is…
The correct balanced equation for the reaction between aluminium metal and hot concentrated tetraoxosulphate(VI)acid is ? A. 2AI(s)…