Which of the following are the
building blocks of matter?
a) cell
b) atom
c) molecules
d) none of these
The simplest form of matter is called…………
a) compound
b) element
c) mixture
d) all of these
Which of the following is commonly known as table salt?
a) Cl
b) Nacl
c) Nacu
d) none of these
………......is a method in which we use a filter paper or filter cloth to separate insoluble solids of a mixture from a liquid.
a) sublimation
b) Distillation
c) Filtration
d) chromatography
The process in which a solid on
heating, directly changes into gas or vapor state is called……………
a) sublimation
b) Distillation
c) Filtration
d) chromatography
Mixture of sand and water can be easily separated by: NTS PST (2016/2017)
a) Condensation
b) Filtration
c) Chromatography
d) distillation
