NDA Government Jobs Exams

Statement I : Hard water does not give lather with soap.
Statement II : Calcium and magnesium salts present in hard water form precipitate with soap

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NDA Other Question
Statement I : The Russian Revolution of 1917 inspired the Indian working class movement.
Statement II : The Non-cooperation Movements (1921-22) saw the involvement of the Indian working
class. Statement I : Evapotranspiration helps in classifying the climatic types.
Statement II : Only temperature affects evapotranspiration, hence it can be used for classifying the climatic
types.