- Visible light
- X-ray
- y ray
- Uv ray
- Solution becomes blue
- Solution becomes good conductor
- Solution remains colourless
- Both and are correct
- All the metals are good conductor of electricity.
- All the metals are good conductor of heat
- All the metals form positive ions
- All the metals form acidic oxides
- gangues are carefully chosen to combine with the slag present in the ore to produce easily fusible flux to carry away the impurities
- slags are carefully chosen to combine with the flux present in the ore to produce easily fusible gangue to carry away the impurities
- gangues are carefully chosen to combine with the flux present in the ore to produce easily fusible slag to carry away the impurities
- fluxes are carefully chosen to combine with the gangue present in the ore to produce easily fusible slag to carry away the impurities
- Sb < As < S < P < Cl
- Cl < Sb < P < As < S
- As < Cl < P < S < Sb
- Sb < As < Cl < S < P
- Coagulation
- Electrophoresis
- Electro – osmosis
- Tyndall effect
- KNO3 , NaNO3,
- Cr2O3, fe2O3
- both a and 'b
- none of these
- Nitric oxide
- Nitrous oxide
- Nitrogen dioxide
- Dintrogen oxide
- Nitric oxide
- Nitrous oxide
- Nitrogen dioxide
- Dintrogen oxide
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