Different properties of solids, liquids and gases are due to;
a) Different volume
b) Different arrangement of particles in them
c) Different shapes
d) Same origin
The simplest material are made up of same type of atom is called;
a) Atom
b) Element
c) Molecules
d) Compound
They obtain their food by decomposing the dead bodies into simple components. This process is called……..
a) rusting
b) melting
c) decaying
d) burning
The flame develops during combustion reaction is called………
a) rusting
b) melting
c) decaying
d) burning
The change that occurred on the iron due to action of oxygen and water is
called…….
a) rusting
b) melting
c) decaying
d) burning
(iron + oxygen + water
= Rusting)
The change of milk into yogurt is……...
a) physical change
b) climate change
c) chemical change
d) change of color
