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MBD PUBLICATION-SOME P-BLOCK ELEMENTS-QUESTION BANK
- Newly shaped glass articles when cooled suddenly become brittle, ther...
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- Solder in an alloy of :
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- CO forms a volatile compound with :
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- Lead pipes can be used for:
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- A colourless gas which burns with blue flame and reduces CuO to Cu is:
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- Rose metal is an alloy of :
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- Lead pipes are not suitable for drinking water, because :
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- Silicon hydrides are named as :
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- The use of diamond as a gem depends on its:
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- Which is a true acid anhydride?
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- In the manufacture of glass, addition of MnO2 gives:
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- Synthesis gas is a mixture of :
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- The substance used to impart green colour to glass is :
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- When a mixture of air and steam is passed over red hot coke, the outco...
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- By chlorinating carbon disuophide with chlorine in presence of alumini...
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- The substance used as a smoke in warfare is
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- Which property is common in diamond and graphite?
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- On doping Ge metal with a little of In, one gets:
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- In graphite, electrons are:
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- Water gas is produced by:
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