What is the net charge on Calcium fluoride?
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In the following question, out of the four alternatives, select the alternative which is the best substitute of the words/sentence.
Decrease or fade gradually before coming to an end
In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/phrase.
To make a fuss about
Ajatashatru was the son of
Sewing machine was invented by
Where was paper invented?
Who is commonly known as "the Father of Microbiology"?
In which sport did India win Bronze medal at Rio Olympics 2016?