Which of the following is not correctly matched?
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Which gas contributes most to the Greenhouse effect?
Which of the following statement is CORRECT?
The passage of an electric current through a conducting liquid causes ___________.
Glass is also called ________.
Name the acid present in lemon.
In the following question, four words are given out of which one word is correctly spelt. Select the correctly spelt word.
In the following question, out of the four alternatives, select the alternative which is the best substitute of the phrase.
Lack of civic-mindedness or of patriotism