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MBD PUBLICATION-SOME P-BLOCK ELEMENTS-QUESTION BANK
- The structure and hybridisation of Si(CH3)4 is:
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- The acid used for etching the glass is :
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- A metallic oxide which imparts purple colour to pottery is :
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- Tendency for catenation is strongest in:
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- Metalloid among the following is :
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- The element forms neutral as well as acidic oxides is :
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- Carbon burns in air and forms two oxides CO and CO2.This shows that ca...
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- Graphite is good conductor of current but diamond is non-conductor bec...
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- The number of carbon compounds is very large because it :
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- Feldspar is :
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- Carbon dioxide is a gas silica is a solid because:
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- The anhydride of carbonic acid H2CO3 is :
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- Hydrolysis of CCl4 is not possible but SiCl4 is easily hydrolysed.
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- A potter wishes to make a deep blue glaze . Which one of these availab...
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- Glass is soluble in:
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- Carbon reacts with strong electropositive metal oxides to form:
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- The compound used in lead accumulators is :
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- Producer gas, a fuel and also a source of nitrogen is obtained by :
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- What happens when steam is passed over red hot carbon:
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- Which element occurs in free state :
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