E-PolyLearning

21. Formula showing simplest whole number ratio is
a. scientific
b. mathematical
c. molecular
d. empirical
View Answer Report Discuss 50-50!
Answer: (d).empirical

22. Number of isotopes occupied by Palladium is
a. seven
b. six
c. nine
d. eleven
View Answer Report Discuss 50-50!
Answer: (b).six

23. Amount of KOH used in combustion analysis is
a. 50%
b. 60%
c. 70%
d. 80%
View Answer Report Discuss 50-50!
Answer: (a).50%

24. Number of radioactive isotopes is
a. 30
b. 40
c. 50
d. 60
View Answer Report Discuss 50-50!
Answer: (b).40

25. Unstable isotopes are produced by artificial
a. Disintegration
b. splitting
c. energy less
d. absorbance
View Answer Report Discuss 50-50!
Answer: (a).Disintegration

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