Relevant Competitive Tests:
TLV of ammonia, nitrogen dioxide and phenol vapor in air is ______________ ppm ?
A. 5Correct Answer
B. 100
C. 1000
D. 2000
Correct Option: A. 5
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Which of the following is a type of sedimentary rock?Which of the following rock favors petroleum formation?DLS stands For_______?RIH stands for ________?“The heat capacity of a solid compound is approximately equal to the sum of the heat capacities of the constituent elements.” This is the statement of___________________?