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MBD PUBLICATION-SOME P-BLOCK ELEMENTS-QUESTION BANK
- Oxides of silicon are:
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- The product obtained when silica reacts with hydrogen fluoride is :
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- Which is not an ore of lead?
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- Lead pencil contains:
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- Zn on heating with barium carbonate gives:
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- Which is not hydrolysed ?
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- Colour is imparted to glass by mixing:
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- The purest form of carbon is :
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- The metal used in acid storage batteries is :
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- The glass having smallest coefficient of thermal expansion is :
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- Cassiterite is an ore of:
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- Graphite conducts electricity because of :
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- Which is the least pure form of carbon:
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- Carbon monoxide will reduce :
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- Tin plague is the :
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- Carbon monoxide on heating with sulphur gives :
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- Activation of charcoal :
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- Which is pseudo solid?
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- Tetrahalides of IVB group 14 elements are:
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- An example of a major air pollutant is :
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