Chemistry MCQs Online Quiz Test 49

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Inorganic Chemistry MCQs Online Quiz Test

Q.1: With impurities like P and S the open hearth furnace is lined with ?

  1. SiO2
  2. Fe2O3
  3. FeO
  4. CaO MgO

D

Q.2: For the measurement of standard electrode potential Zn is dipped in--------?

  1. 1 M ZnO solution
  2. 1 M ZnSO4 solution
  3. 1.5 M ZnSO4 solution
  4. 0.1 M ZnSO4 solution

B

Q.3: Zn(s)/Zn+2(aq) 1M | | Cu+2(aq) 1M/Cu(s) is representation of reaction in-------?

  1. Daniel cell
  2. Downs cell
  3. Voltaic cell
  4. Nelsons cell

C

Q.4: Voltaic cell can be recharged by-------?

  1. by addition of fresh solution
  2. by replacing external circuit with external source of electricity
  3. by removal of solution
  4. by heating it

B

Q.5: H2 gas in SHE is filled at pressure of----------?

  1. 760mm of Hg
  2. 750mm of Hg
  3. 780mm of Hg
  4. 800mm of Hg

A

Q.6: Chemical used in salt bridge is--------?

  1. KOH
  2. KCI
  3. KNO3
  4. KBr

B

Q.7: List of elements based on hydrogen scale is called--------?

  1. periodic table
  2. groups
  3. periods
  4. electrochemical series

D

Q.8: In galvanic cell Zn acts as an anode so its value of standard reduction potential in comparison to coupled electrode would be--------?

  1. greater
  2. lesser
  3. sum of reduction and oxidation potentials
  4. none

A

Q.9: Greater value of standard reduction potential smaller will be tendency-------?

  1. to form positive ions
  2. to form negative ions
  3. gain electrons
  4. all are possible

A

Q.10: Lead accumulators are--------?

  1. secondary cell
  2. primary cell
  3. voltaic cell
  4. both A And C

D