Question 61 : Tinning is the example of __________
1. Anodic coatings
2. Cathodic coatings
3. Neither anode nor cathode
4. Both anode and cathode
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Question 62 : For 1N KCL standard reduction potential in the calomel electrode is__________
1. 0.28V
2. 0.25V
3. 0.5V
4. 1V
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Question 63 : In electrolyte, ionisation ___________ on dilution.
1. Increases
2. Decreases
3. Becomes very small
4. Do not change
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Question 64 : In pickling and etching _________ acids are used.
1. Sulphuric acid
2. Hypo chlorous acid
3. Phosphoric acid
4. Phosphorous acid
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Question 65 : The movement of electrons in Daniel cell is from _________ to _________
1. Zn to Cu
2. Cu to Zn
3. Zn to Ca
4. Ca to Zn
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Question 66 : The degree of ionisation is given by____________
1. α = λ_v * λ_α
2. α = λ_v / λ_α
3. α = λ_v – λ_α
4. α = λ_v + λ_α
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Question 67 : The strength of the current is measured in terms of ___________
1. Coulombs
2. Joules
3. Amperes
4. Ohms
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