The passage of an electric current through a conducting liquid causes ___________.
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Which of the following micro-organism causes diseases like polio and chicken pox?
During fermentation of sugar, the compound which is always formed is
Out of the four alternatives, choose the one which can be substituted for the given words/sentences and click the button corresponding to it.
A place where astronomical observations are made
In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/phrase.
to foam at the mouth
....... is displaced when zinc is added to the solution of copper sulphate
Which one of the following is an insulator?
Which of these languages is generally not spoken in Southern part of India?