Question

same.
E. Encircle the odd-one in the list given below.
1. Hydrogen, Silver, Oxygen, Phosphorus, Sulphur, Water.
2. Ammonium ion, Sulphate ion, Chloride ion, Phosphate ion.
3. Iron, Copper, Chromium, Silicon.
4. Neutron, Proton, Megatron, Electron
5. Oxide, Lodide, Bromide, Chloride​

Answer 1

Answer:

3) chromium ok.

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