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…
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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…
The solvent used for removing grease stain is
The solvent used for removing grease stain is A. turpentine B. ammonia solution C. ethanol D. solution of…
In a water body, too much sewage leads to
In a water body, too much sewage leads to A. a decrease in the temperature of the water…
Steam changes the colour of anhydrous cobalt (ll) chloride from
Steam changes the colour of anhydrous cobalt (ll) chloride from A. white to red B. blue to white…
An example of a hygroscopic substance is
An example of a hygroscopic substance is A. CuO (S). B. MgCL2(S). C. CaCL2(S). D. NaOH(S). Correct Answer:…
The bond formed between two elements with electron configurations 1s2 2s2 2p6 3s2 and 1s2…
The bond formed between two elements with electron configurations 1s2 2s2 2p6 3s2 and 1s2 2s2 2p4 is…
The constituent of air that acts as a diluent is
The constituent of air that acts as a diluent is A. nitrogen B. carbon (IV) oxide C. noble…