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MBD PUBLICATION-SOME P-BLOCK ELEMENTS-QUESTION BANK
- Name an important ore of aluminium.
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- Write one use of alum.
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- Aluminium oxide is .(acidic, basic, amphoteric, neutral)
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- What happens when aluminium nitride reacts with water ?
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- What is the commercial name of SiC ?
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- What is the most recently discovered allotrope of carbon ? [Hint: Buc...
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- What is the oxidation number of carbon in CH2Cl2 ?
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- What is carborundum ?
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- Which allotrope of carbon is used as a moderator in atomic reactors ?
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- Why dry ice does not wet cloth in which it is placed ?
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- Diamond and graphite are called.
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- What is the arrangement of atoms in graphite ?
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- Which allotropic modification of carbon conducts electricity ?
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- What is the arrangement of atoms in diamond ?
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- Why SnCl2 is a solid, but SnCl4 is a liquid ?
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- What are the " Silicones".
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- Silicon carbide is called .
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- Structure of silicon carbide is similar to .
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- Write two uses of silicon carbide.
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- Writhe two uses of silicones ?
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