Physics-
General
Easy
Question
Two charges 
and 
Coulombs are shown in fig. A third charge 
coulomb is moved from point R to S along a circular path with P as centre. Change in potential energy is
The correct answer is:
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A black colored compound (A)on reaction with diluteH2SO4 gives a gas(B) which on passing in a solution ofan acid (C) gives a white turbidity (D). Gas (B) when placed in an acidified solution of acompound (E)gives aprecipitate(F)solubleindiluteHNO3.Afterboilingthissolution,whenanexcessofNH4OHisadded,bluecoloredcompound(G)is formed. Tothissolution on additionofCH3COOHandaqueous K4[Fe(CN)6],a chocolate precipitate(H)is obtained. On addition of an aqueous solution ofBaCl2 to an aqueous solutionofE,awhitepptinsolubleinHNO3isobtained. Identify H:
A black colored compound (A)on reaction with diluteH2SO4 gives a gas(B) which on passing in a solution ofan acid (C) gives a white turbidity (D). Gas (B) when placed in an acidified solution of acompound (E)gives aprecipitate(F)solubleindiluteHNO3.Afterboilingthissolution,whenanexcessofNH4OHisadded,bluecoloredcompound(G)is formed. Tothissolution on additionofCH3COOHandaqueous K4[Fe(CN)6],a chocolate precipitate(H)is obtained. On addition of an aqueous solution ofBaCl2 to an aqueous solutionofE,awhitepptinsolubleinHNO3isobtained. Identify H:
Chemistry-General
Chemistry-
A black colored compound (A)on reaction with diluteH2SO4 gives a gas(B) which on passing in a solution ofan acid (C) gives a white turbidity (D). Gas (B) when placed nan acidified solution of a compound(E)gives a precipitate(F)solubleindiluteHNO3.Afterboilingthissolution,whenanexcessofNH4OHisadded,bluecoloredcompound(G) is formed. To this solution on additionofCH3COOHandaqueous K4[Fe(CN)6],a chocolate precipitate(H)isobtained. On addition of an aqueous solution ofBaCl2 to an aqueous solutionofE,awhitepptinsolubleinHNO3isobtained. Identify C:
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Chemistry-General
Chemistry-
A black colored compound(A)on reaction with dil. H2SO4 gives a gas(B)which onpassingin a solution of anacid (C) gives a white turbidity (D). Gas (B)when passed in an acidified solution of a compound(E) gives a black precipitate (F) which is soluble in hot concentrated (C).After boiling this solution whene xcess of ammonia solution is added, a blue colored compound (G) is formed. To the solution of(E), onaddition of acetic acid and aqueous potassium ferrocyanide, a chocolate brown precipitate (H) is formed.OnadditionofanaqueoussolutionofBaCl2toan aqueoussolutionof(E),white precipitate insoluble in HNO3isobtained. To which of the following property, will the compound(E)respond?
A black colored compound(A)on reaction with dil. H2SO4 gives a gas(B)which onpassingin a solution of anacid (C) gives a white turbidity (D). Gas (B)when passed in an acidified solution of a compound(E) gives a black precipitate (F) which is soluble in hot concentrated (C).After boiling this solution whene xcess of ammonia solution is added, a blue colored compound (G) is formed. To the solution of(E), onaddition of acetic acid and aqueous potassium ferrocyanide, a chocolate brown precipitate (H) is formed.OnadditionofanaqueoussolutionofBaCl2toan aqueoussolutionof(E),white precipitate insoluble in HNO3isobtained. To which of the following property, will the compound(E)respond?
Chemistry-General
