(A) Two times (X)
(B) Three times (X)
(C) Four time ()
(D) Six time (X)
Answers: The speed of sound in hydrogen is Four time than that in oxygen.
(A) Two times (X)
(B) Three times (X)
(C) Four time ()
(D) Six time (X)
Answers: The speed of sound in hydrogen is Four time than that in oxygen.
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