Basic Concepts - 2
1.
Fractional atomic mass
a) Molecular formula
b) Relative abundance.
c) Limiting reactant
d) Mass of 1.87 moles of NH
3
2.
Atoms are indivisiable particles of matter
a) Democritos
b) Dempster
c) Dalton
d) Berzelius
3.
Determination of atomic mass of some elements
a) Dempster
b) Dalton
c) Democritos
d) Berzelius
4.
Atoms of different elements
a) Dalton
b) Dempster
c) Berzelius
d) Democritos
5.
Identification of Solid elements
a) Democritos
b) Berzelius
c) Dalton
d) Dempster
6.
Water absorber
a) KOH
b) Side reactions
c) CO
2
d) Mg (ClO
4
)
2
7.
Roasting of CaCO
3
a) CO
2
b) Isotopes
c) Mg (ClO
4
)
2
d) KOH
8.
Carbondioxide absorber
a) Isotopes
b) CO
2
c) Mg (ClO
4
)
2
d) KOH
9.
Decreases the yield
a) KOH
b) Electron microscope
c) Side reactions
d) Isotopes
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