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VMC MODULES ENGLISH-p-BLOCK ELEMENTS-1-JEE Advanced Archive
- Carbon acts as an abrasive and also as a lubricant, explain.
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- Moderate electrical conductivity is shown by
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- Give reason for the following in one or two sentences : ''Solid carbon...
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- Give reasons Graphite is used as lubricant.
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- Graphite is used as a lubricant in machinery.
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- All the Al-Cl bonds in Al(2)Cl(6) are equivalent.
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- The hydrolysis of alkyl substituted chlorosilanes gives .
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- The tendency for catenation is much higher for C than for Si.
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- The basic nature of the hydroxides of group 13 decreases progressively...
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- Diamond is
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- The hydrolysis of trialkylchlorosilane , R3 SiCl, yields ……………………..,
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- Which of the following oxides is neutral ?
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- Which of the following halides is least stable and has doubtful existe...
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- Aluminium sulphide gives a foul odour when it becomes damp. Write a ba...
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- Anhydrous AlCl(3) is covalent from the data given below, perdict wheth...
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- A liquid which is permanently supercooled is frequently called a ……….....
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