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Question 1
Which of the following fuels causes minimum environment pollution?
Question 2
German silver, an alloy, does not contain the metal
Question 3
For which one of the following, it is most difficult to form oxyacid?
Question 4
Who among the following is said to be the inventor of ‘Polymerase chain reaction’?
Question 5
Which polymer is obtained by the condensation of hexamethylenediamine and adipic acid?
Question 6
Who discovered Catalysis?
Question 7
If a scientist reads an ambient temperature 273 K in the laboratory, what will a doctor's thermometer read it?
Question 8
The substance used as an antifreeze in radiators of automobiles are ________.
Question 9
______ gases trap heat in the atmosphere which makes the Earth warmer, causing global warming.
Question 10
Which of the following gases is used to prevent food material from getting oxidized?
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Oct 11SSC & Railway