Percentage of gold in 14 carat gold is :...

Percentage of gold in 14 carat gold is :

`58`

`80`

`40`

`14`

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VK JAISWAL ENGLISH-d-BLOCK ELEMENTS-ASSERTION-REASON TYPE QUESTIONS

Percentage of gold in 14 carat gold is :
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Cu((aq.))^+ has less stable nature than Cu((aq.))^(2+) but Fe((aq.))^(...
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Assertion: Zn gives H(2) gas with dil. HCl and also with dil. H(2)SO(4...
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Assertion: KMnO(4) has different equivalent wieghts in acid, neutral o...
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Assertion: Cu^(2+) is more stable than Cu^(+) Reason: Electrode pote...
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Statement 1: Concentrated solution of CuCl(2) in water is yellow in co...
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Assertion: KMnO(4) is purple in colour due to charge transfer . Reas...
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Assertion : CrO(3) reacts with HCl to form chromyl chloride gas Reas...
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Mercury is the only metal which is liquid at 0^(@)C. This is due to it...
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Assertion: CuSO(4)*5H(2)O and FeSO(4)*7H(2)O are blue and green colour...
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Assertion: FeSO(4) and Fe(2)(SO(4))(3) undergoes intramolecular redox ...
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Assertion: Zn(OH)(2) is dissolved in both NH(4)OH and NaOH solution Re...
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Assertion: Increasing order of covalent character among given compound...
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Assertion: AgNO(3) reacts with KCN to form white ppt. of AgCN. This wh...
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Assertion: Zero and negative oxidation state of d-block metal ion are ...
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Assertion: Aquated copper(I) cation undergoes disproportionation as: ...
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Assertion: Melting point of Mn is more than that of Fe. Reason : Mn ...
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Assertion: Cu^(2+)(aq) is less than Cu^(3+)(aq) but Fe^(3+) is more st...
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Assertion: Zn gives H(2) gas with dil. HCl and dil. H(2)SO(4) but not...
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Assertion: KMnO(4) has different equivalent wieghts in acid, neutral o...
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