Recent questions tagged Probability-mcq

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    The molar conductivity of 0.25molL-1 methanoic acid is 46.1Scm2mol-1. Calculate the degree of dissociation constant. ... =54.6Scm2mol-1 Select the correct answer from above options...
asked Jan 5, 2022 in Education by JackTerrance
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    If a current of 0.5A flows through a metallic wire for 2 hours, then how many electrons would flow through the wire ? Select the correct answer from above options...
asked Jan 5, 2022 in Education by JackTerrance
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    Suggest a list a metals that are extracted electrolytically. Select the correct answer from above options...
asked Jan 5, 2022 in Education by JackTerrance
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    Consider the reaction : Cr2O 2- 7 +14H++6e-→2Cr3++7H2O What is the quantity of electricity in coulombs needed to ... Cr2O 2- 7 ? Select the correct answer from above options...
asked Jan 5, 2022 in Education by JackTerrance
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    Write the CHMemistry of reCHMarging of lead storage battery highlighting all the materials that are involved during reCHMarging. Select the correct answer from above options...
asked Jan 5, 2022 in Education by JackTerrance
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    Suggest two materials other than hydrogen that can be used as fuels in fuel cells. Select the correct answer from above options...
asked Jan 5, 2022 in Education by JackTerrance
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    Explain how rusting of iron is envisaged as setting up of an electroCHMemical cell. Select the correct answer from above options...
asked Jan 5, 2022 in Education by JackTerrance
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    Arrange the following metals in the order in whiCHM they displace eaCHM other from the solution of their salts. Al,Cu,Fe,Mg, and Zn . Select the correct answer from above options...
asked Jan 5, 2022 in Education by JackTerrance
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    Given standard electrode potentials K⊕∣K=-2.93V,Ag⊕∣Ag=0.80V , Hg2+∣Hg=0.79V Mg2+|Mg=-2.37V,Cr3|Cr=-0 ... order of reducing power. Select the correct answer from above options...
asked Jan 5, 2022 in Education by JackTerrance
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    Depict the galvanic in whiCHM the reaction : Zn(s)+2Ag⊕(aq)→Zn2+(aq)+2Ag(s) takes place. Further show ... reaction at eaCHM electrode. Select the correct answer from above options...
asked Jan 5, 2022 in Education by JackTerrance
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