Which of these is a pure substance?
Correct answer D. Graphite
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Correct answer D. Graphite
Correct answer C. Arteries
Correct answer B. Smallest particle of an element which can undergo a chemical reaction
Correct answer B. Blood pressure
Correct answer D. Precision and accuracy should go side by side in a scientific work
Correct answer B. Atheroma
Correct answer D. The distance covered during the time interval divided by the time interval
Correct answer A. Cerebral haemorrhage
Correct answer A. Kilogram
Correct answer D. All of these
Correct answer D. 1 m
Correct answer B. Artificially induced active immunity
Correct answer A. Biochemical
Correct answer D. 1-2%
Correct answer B. Decrease
Correct answer A. Lenticels
Correct answer E. None of these
Correct answer C. Vitamins
Correct answer B. 800 kPa
Correct answer C. Sirius