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Q105) Carborundum is obtained when silica is heated at high temperature with .. [ IIT 1982]




SOLUTION

SiO2 + 3C → SiC + 2CO
Answer: (a)


Q106) In the carbon family the elements other than carbon do not form pπ-pπ bonds because the atomic orbitals are to




SOLUTION


Answer: (b)


Q107) Which of the following gas has highest calorific value?



SOLUTION


Answer:(a)



Q108) Out of following which do not form mono-oxide ..



SOLUTION


Answer: (d)


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