Basic Concepts - 5
1.
Gram atom
a) 96g
b) 342g
c) Mole
d) Grams
2.
1 gram sucrose
a) 6.02 X 10
23
atom
b) 342g
c) 96g
d) Grams
3.
1 g ion of SO
3
-2
a) 96g
b) Grams
c) 342g
d) 6.02 X 10
23
atom
4.
238 g of uranium
a) 96g
b) 342g
c) 6.02 X 10
23
atom
d) Mole
5.
_________ was designed to identify the Isotopes of an element on the basis of their atomic mass.
a) Relative abundance
b) Relative abudance of ions
c) Isotopes of that element
d) Dempster Spectrometer
6.
In mass spectrometer, the substance is converted into the vapon state at a low pressure of ________ torr.
a) odd atomic No.
b) 2 X NA
c) As,F,I,Au
d) 10
-6
to 10
-7
torr
7.
The strength of current measured in electrometer gives the _________ of a definit m/e value
a) Natural abundance
b) Relative abudance of ions
c) Relative abundance
d) odd atomic No.
8.
The number of peaks obtained in the mass spectrum of an element indicates ________ .
a) mass spectrometer
b) m/e
c) Isotopes of that element
d) empirical formula
9.
The height of the peak in the mass spectrum indicates _________.
a) Natural abundance
b) Relative abudance of ions
c) Relative abundance
d) m/e
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