Which among the following is not an example of emulsion?
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Which of the following causes fly ash?
SMOG is a combination of
In case State emergency is declared, it needs Parliamentary approval after every _____.
What does BOD5 refer to?
Which mechanism is used by the computer virus 'worm' to duplicate itself?
Comptroller and Auditor General of India submits the audit reports to _______.
In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/phrase.
beating around the bush