The noble metals________?

5243Chemical EngineeringMedium

AAre exemplified by Na, K and Li

BNone of these

CAre the lowermost in the electro-chemical series of metals

DDo not resist corrosion very strongly

Correct answer

C. Are the lowermost in the electro-chemical series of metals

Explanation

The correct answer is Are the lowermost in the electro-chemical series of metals.

Related Chemical Engineering MCQs

View all 8342 MCQs →

MCQ #5245

For water at 300°C, it has a vapour pressure 8592.7 kPa and fugacity 6738.9 kPa Under these conditions, one mole of water in liquid phase has a volume of 25.28 cm3 and that in vapour phase in 391.1 cm3.Fugacity of water (in kPa) at 9000 kPa will be________?

Ans: 6753.5Read →

MCQ #5241

________ is undesirable in thermocouples used in industries?

Ans: Non-linear relation of emf to temperatureRead →

MCQ #5246

Epoxy resin________?

Ans: Is a good adhesiveRead →

MCQ #5240

Valves in pipe size of 2′′ and under are normally made of________?

Ans: BrassRead →

MCQ #7328

Suspended solid present in the waste water generated in blast furnace gas cooling and cleaning plant is removed by________?

Ans: Radial settling tank (thickener) using coagulant (lime & ferrous sulphate)Read →

MCQ #1072

Pick out the wrong statement?

Ans: Ceramic materials do not undergo vitrification on heatingRead →