a) Organic chemistry
b) Inorganic chemistry
c) Physical chemistry
Category: Chemistry Mcqs
The atomic mass of an element expressed in gram is:
a) Gram molecular mass
b) Gram atomic mass
c) Gram formula mass
d) Mole
Which of the following can be separated by physical means?
a) Mixture
b) Element
c) Compound
d) Substance
The molar mass of H2SO4 is:
a) 98a.m.u
b) 9.8gm
c) 98gm
d) 9.8a.m.u
The molecule consists of two atoms is:
a) Monoatomic molecule
b) Polyatomic molecule
c) Heteroatomic molecule
d) Diatomic molecule
A formula that indicates the actual number and type of atoms in a molecule is called:
a) Chemical formula
b) Empirical formula
c) Molecular formula
d) Formula mass
Ethyl alcohol was prepared by
a) Ibne-sina
b) Al –razi
c) Al –beruni
d) Jabber bin -hayan
Which of the following is a homo atomic?
a) H2
b) NH3
c) H2O
d) CO2