OTS Chemistry Solutions Mcqs Online Test

Asghar Niazi

OTS Chemistry Solutions Mcqs Online Test Prepare Question Answers Start Below

Every sample of matter with uniform properties and fixed composition is called?


solute
solvent
solution
phase

Correct!

Wrong!

Which of the following solutions of H2SO4 is more concentrated?


1 Molar solution
1 molal solution
1 normal solution
all have same concentration

Correct!

Wrong!

Homogeneous mixture of two or more than two compounds is called?


solution
compound
radical
ion

Correct!

Wrong!

Which of the following substance do not show continuous solubility curve?


KCIO4
Na2SO4. 10H2O
K2Cr2O7
PbCl2

Correct!

Wrong!

Which of the following unit of concertration is independent of temperature?


Molarity
Molality
Mole fraction
all

Correct!

Wrong!

Which of the following is not a colligative property?


Lowering of vapour pressure
Freezing point
Osmotic pressure
Elevation of polling point

Correct!

Wrong!

Which of the following is an example of liquid in gas solution?


Opals
Dust particles in smoke
Paints
Fog

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Wrong!

Which of the following are the conditions of colligative properties?


Non-electrolye solute
Non-volatile solute
Dilute solution
All of the above

Correct!

Wrong!

When common salt is dissolved in water?


Boiling point of water dicrease
Boiling point of water increase
Boiling point of water remains same
None of the above

Correct!

Wrong!

Which has the minimum freezing point?


One Molal NaCI
One molal KCI solution
One molal CaCI2
One molal urea solution

Correct!

Wrong!

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