Iron and manganese present as pollutants in water cannot be removed by_____
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Which of the following elements has the lowest melting point?
A sentence has been given in Active/Passive Voice. Out of the four given alternatives, select the one which best expresses the same sentence in Passive/Active Voice.
Somebody has stolen my register.
In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/phrase.
To spin one's wheels
Who discovered sea route to India?
Mahatma Gandhi returned to India from ______________ in January 1915.
According to the categories of land mentioned in the Chola inscriptions ___________ was known as the land donated to Jaina institutions?
Who invented the electric tram?