In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/phrase.
Against the clock
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Which of the following is usually not an airpollutant?
Aqueous solution of copper sulphate?
Metals are placed on which side of the Modern Periodic table?
__________ of an input is defined as the change in output per unit of change in the input when all other inputs are held constant.
Which of the following is an excretory organ of cockroach?
Proteins are polymers formed from
Researchers from Columbia University Medical Centre in United States of America have converted which of the following into the world’s smallest data recorder?