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Which of the following statements about an equilibrium system is correct?
Which of the following gases is alkaline?
Graphite is used as a dry lubricant due to the presence of
What is the partial pressure of oxygen at s.t.p. in a gaseous mixture containing 100 cm3 of oxygen and 900 cm3 of nitrogen gas?
Which of the following acids would form normal salt only?
Consider the following reaction equation:
CaO + SiO\(_{2}\) ------> CaSiO\(_{3}\)
Silicon(IV) oxide is acting as
Before a reaction could take place, there should be
A white precipitate was formed when BaCl\(_{2(aq)}\) was added to an aqueous solution
of a salt X. The precipitate dissolved in dilute HCl with rapid effervescence. Salt X is likely to contain
Increasing the temperature generally
If 5.0 g of marble reacts with 25.0 cm3 hydrochloric acid, which of the following combinations has the fastest reaction rate?
A colourless gas with a pungent smell is evolved when dilute hydrochloric acid is added to a sample of a salt. The gas evolved could turn
The IUPAC name for CH\(_{3}\)CHCH\(_{3}\)CHCLCHCH\(_{3}\)CH\(_{2}\)CH\(_{3}\) is
Oxochlorate(I) acid is used as a bleaching agent because it is
Determine the quantity of electricity used when a current of 0.20 amperes is passed through an electrolytic cell for 60 minutes.
The products of the electrolysis of dilute sodium chloride using carbon electrodes are
Anode Cathode
If 60 g of M combines with 24 g of oxygen, what would the empirical formula of the oxide be?
( molar mass of M = 120, O = 16)
Which of the following statements about the standard hydrogen electrode is not correct?
Alkanols can be manufactured from alkenes by the initial reaction of alkenes with
Which of the following compounds would react rapidly with bromine?
What amount of electricity is required to deposit one mole of aluminium from a solution of AlCl3?