Everyday Science MCQs

5120 MCQs  (Page 157 of 512)

P Waves are also said to be __________ waves?
A. Push-pull
B. Side-side
C. Up-down
D. None of the above
Earthquakes occur most frequently at __________?
A. Plate boundaries
B. Plate surface
C. Ocean beds
D. All of the above
Sericulture is the study of which discipline ?
A. Silk production
B. Milk production
C. Honey production
D. Forest timber production
Rearing of honey bees for honey production is called?
A. Sericulture
B. Apiculture
C. Viticulture
D. Bees culture
Mass spectrometer is used to determine Mass number of isotopes and___________________?
A. Atomic number
B. Relative abundance
C. Electronic configuration
D. All of the above
The number of peaks obtained in mass spectrometry shows____________________?
A. Relative abundance
B. Average mass of element
C. Number of isotopes
D. Relative isotopic mass
Molecular mass of water (18g) means__________________?
A. 1-mole molecules of water
B. 1-gram molecule of water
C. 3-gram atoms
D. All
Which of the following statements about isotopes is correct ?
A. Isotopes with odd atomic number are abundant
B. Isotopes with odd atomic number and even mass number are abundant
C. Isotopes with even atomic number and even mass number are abundant
D. Isotopes with even atomic number and odd mass no are abundant