Which of the following compounds is a neutral oxide?
Which of the following compounds is a neutral oxide? A. Carbon (IV) oxide B. Sulphur (Vl) oixide C.…
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In the laboratory preparation of ammonia, the flask is placed in a slanting position so…
In the laboratory preparation of ammonia, the flask is placed in a slanting position so as to A.…
Which of the gases is employed as an anaesthesia?
Which of the gases is employed as an anaesthesia? A. N 2O B. NO2 C. NH3 D. NO…
In an endothermic reaction, if there is a loss in entropy the reaction will
In an endothermic reaction, if there is a loss in entropy the reaction will A. be indeterminate B.…
2H2O (l) + 2F2(g) → 4HF(aq) + O2(g). In the reaction above, the substance that…
2H2O (l) + 2F2(g) → 4HF(aq) + O2(g). In the reaction above, the substance that is being reduced…
In an electrochemical cell, polarization is caused by
In an electrochemical cell, polarization is caused by A. chlorine B. oxygen C. tetaoxsulphate (Vl) acid D. hydrogen…
An insoluble salt can be prepared by
An insoluble salt can be prepared by A. the reaction of trioxocarbonate (V) with an acid B. double…
Which of the following substances is not a salt?
Which of the following substances is not a salt? A. Aluminium oxide B. Sodium hydrogentrioxosulphate (V) C. Sodium…
Three drops of a 1.0 mol dm-3 solution of HCl was added to 20 cm3…
Three drops of a 1.0 mol dm-3 solution of HCl was added to 20 cm3 of a solution…
10.0 dm3 of water was added to 2.0 mol dm-3 of 2.5dm3 solution of HCl….
10.0 dm3 of water was added to 2.0 mol dm-3 of 2.5dm3 solution of HCl. What is the…