Isotopes have the
same:
A) Atomic mass
B) Atomic number
C) Neutrons
D) None of these
Which method is/are used to separate components of a
mixture?
A) Filtration
B) Sublimation
C) Distillation
D) All of these
A chemical process that gives out heat is called………….
A) Combustion
B) Synthesis
C) Polymerization
D) Conduction
The attractive force
among molecules is stronger in……….
A) Liquid
B) Solid
C) Gas
D) All of these