- Reducing agent
- An oxidising agent
- Oxidising as well as reducing agent
- Neither oxidising nor reducing agent
- Primary consumer
- Secondary consumer
- Tertiary consumer
- None of these
- d-block elements show irregular and erratic chemical properties among themselves
- La and Lu have partially illed d- orbitals and no other partially filled orbitals
- the chemistry of various lanthan oids is very similar
- 4f and 5f orbitals are equally shielded
- CH3
- OCH3
- NH2
- COCH3
- conductors allow the low of electricity through them
- low of electricity through conductors involve transfer of electrons
- mechanism of the transfer of electron for all conductors
- mechanism of the transfer of electron is the same for all conductors
- Oxides of nitrogen in the atmosphere can cause the depletion of ozone layer
- Ozone absorbs the intense ultraviolet radiation of the sun
- Depletion of ozone layer is because of its chemical reactions with chlorofluoro alkanes
- Ozone absorbs infrared radiation
- solution may be binary, ternary or quaternary
- solutions prepared in water are non aqueous
- solution prepared in solvent other than water a non-aqueous
- d components ot true Solutions can't be separated by filtration
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