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Showing posts with label US. Show all posts
Showing posts with label US. Show all posts

Tuesday 30 June 2015

The compound that has the least value for octane number is

Post 179

Question 57 The compound that has the least value for octane number is:
A) 2,2-dimethylhexane
B) n-heptane
C) 2- methylheptane
D) Iso-octane
Answer: n-heptane
Explanation: n-heptane has 0 octane number or you can say 0 octane rating.

Question 58 The current spell of cold wave in the US has been a fall out of the 
A) climate and energy
B) political administration
C) polar vortex
D) biodiversity and habitats
Answer: polar vortex


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