Washing soda is used ______.
I. for removing permanent hardness of water
II. for disinfecting drinking water
III. as a cleaning agent for domestic purpose
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egbindinatl correct spelling
By volume, 21% of air is _______________.
The Gram Panchayat is composed of which of the following?
I. The ward panchs
II. The sarpanch
III. The district collector
Ujjain is situated on the banks of which river?
The movement of water molecules through the plasma membrane is called ______.
Which of the following has no Skeleton at all?
Who has been elected as the next Director General of the International Solar Alliance (ISA)?
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True or False
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