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Electroplater
Electroplater Set-1
Metal treatment, Chemical baths
17

Metal treatment, Chemical baths MCQ with Answers

17) Which is the equivalent weight of oxalic acid crystals?

53

58

61

63

Answer is:

63

Metal treatment, Chemical baths MCQ with Answers

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Related Metal treatment, Chemical baths MCQ with Answers

18) Which acid is used for pickling and etching of metal?

Sulphuric acid

Boric acid

Phosphoric acid

Phosphorus acid

Answer is:

Sulphuric acid

19) Which chemical is used for vapour degreasing?

Trichloroethylene

Sodium carbonate

Trisodium phosphate

Sodium hydroxide

Answer is:

Trichloroethylene

20) Which solution is used for alkaline cleaning?

Sodium carbonate

Trichloroethylene

Ammonium citrate

Sodium chloride

Answer is:

Sodium carbonate

21) Which solution is used for pickling of ferrous metal?

Hcl acid solution

HF acid solution

HNO₃ acid solution

H₂ SO₄ acid solution

Answer is:

Hcl acid solution

Metal treatment, Chemical baths MCQ with Answers

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