Question

5X1=5M
II. CHOOSE THE CORRECT ANSWERS.
1. when the boiling points of two liquids is close to each other we use this technique to separate them ().
a) distillation b) condensation
c) fractional distillation d) evaporation
()
2. Materials which cannot be separated by physical process are called as
a) compound
b) colloid
c) suspended. d) collision
3. Materials which can be separated by physical processes are called as ( )
a) element
b) solvent c) solution dy mixture.
the scientist who Invented the elements like sodium magnesium boron chlorine nakshatra is ()
a)
Isaac Newton
b) henning Brad
c) sir humpry davby d) Robert Boyle
5. The quantity of solute is more in a solution then the solute is said to be(-)
a) saturated solution by dilute solution c) concentrated solution d unsaturated solution​

Answer 1

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