MCQ
Colour is imported to glass by mixing
- ASynthetic dyes
- ✓Metal oxide
- COxides of non-metal
- DColoured salt
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$\mathrm{Li}_{2} \mathrm{O}, \mathrm{CaO}, \mathrm{Na}_{2} \mathrm{O}_{2}, \mathrm{KO}_{2}, \mathrm{MgO}$ and $\mathrm{K}_{2} \mathrm{O}$

