Chemistry MCQs

Page No. 27

Photographic plates are coated with a thin film of _________________?


aAgNO3


bAgI


cAgCl


dAgBr


View Answer AgBr

Which of the following is not use of compounds of Fluorine________________?


aSbF3 is used for manufacture of pottery


bSodium fluoroacetate is a rat poison


cCu F2 is used in ceramic industry


dNone of the above


View Answer None of the above

Bleaching powder is not used for bleaching________________?


aCotton


bCostly fabrics


cLinen


dPaper pulb


View Answer Costly fabrics

The chemical formula of sodium hypochlorite is________________?


aNaCLO


bNaCLO2


cNaCLO3


dNaCLO4


View Answer NaCLO

Which of the halogen can displace other three elements ?


aFluorine


bChlorine


cIodine


dBromine


View Answer Fluorine

Consider the following reaction- 3Cl2 + 6NaOH ? NaClO3 + 5NaCl + 3H2O This reaction is_______________?


aDisplacement reaction


bDouble displacement reaction


cDisproportionation reaction


dReduction reaction



Consider the following reaction- 2KCIO3 + H2C2O4 + H2SO4 ? K2SO4 + 2H2O + 2CO2 + Oxide Which oxide of chlorine is produced in the above reaction ?


aCl2O


bClO2


cCl2O6


dCl2O7


View Answer ClO2

Bromine can be liberated from KBr solution by the action of _______________?


aIodine solution


bChlorine


cNaCl


dKI


View Answer Chlorine

The halogen having highest electron affinity is_____________________?


aFluorine


bChlorine


cBromine


dIodine


View Answer Chlorine

The halogen which reacts very slowly with halogen is________________?


aFluorine


bChlorine


cBromine


dIodine


View Answer Iodine

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