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How does one test for halide ions?

Add to the unknown solution dilute nitric acid, then add silver nitrate solution. If Chloride, bromide or iodide ions are present then a white, cream and yellow precipitate will form respectively of silve...

GI
3788 Views

Describe one method of producing oxygen gas.

Decomposition of Hydorgen peroxide solution, H2O2, using Manganese (IV) oxide as a catalyst. Effervescence is observed as the oxygen gas is evolved and the gas can be collected by di...

GI
2485 Views

You are given sets A: {2,4,6,8,10,12} and B: {1,3,5,7,9,11} explain why A∩B = ∅

There are no shared members of either set. Sets A and B are mutually exclusive (odds and evens.) i.e. A intersect B has no members and is empty.

GI
Answered by Georgiana I. • Maths tutor
3924 Views

Give the essential conditions of the manufacture of sulfuric acid by the contact process.

-Temperature of 450°C

  • Pressure of 2 atm

  • Vanadium(V)oxide catalyst.

GI
4055 Views

Write ionic half-equations for the reactions at the electrodes in aluminium extraction.

Al3+ + 3e- → Al 2O2- → O2 + 4e-

GI
2536 Views

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