International yoga day is celebrated on which day?
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If 177 is divided into 3 parts in the ratio 1/2 : 2/3: 4/5, then the second part is
Instrument used for measuring specific gravity is called _____.
The liberation of oxygen during photosynthesis is due to __________
In the following question, a sentence has been given in Active/Passive voice. Out of four alternatives suggested, select the one which best expresses the same sentence in Passive/Active voice.
Please guide me.
Which of the following elements has the lowest melting point?
Which of the following represents an ion?
Iron and manganese present as pollutants in water cannot be removed by_____