mcqscareer

Category: Past Papers MCQs

No.	Topics.	No.	Topics.
1.	Biology mcqs	2.	Chemistry mcqs
3.	General Knowledge mcqs	4.	Pak Studies
5.	Physics mcqs

A coarse mixture is formed when the sizes of the constituent components are relatively…..

bigger
small
very small
all

A colliodal solution is kept in dark and is illuminated by a beam of light then brightness appears at the right angle of direction of light. This effect is called_________

Tyndall effect
Brownian effect
Hardy schulze effect
None of these

A colloidal system involves_______

A state of dissolution
A state of dispersion
A state of suspension
None

A common metal which can be used for the extraction of metals from their oxides by reduction is

Co
Al
C
Fe

16g of gas occupies 6 dm3 at S. T. P. The gas may be______

oxygen
molecules
both a and b
none

23 g of ethyl alcohol is dissolved in 54 g of water. The mole fraction of ethyl alcohol in water is…..

0.143
0.11
0.013
1.12

23 g of ethyl alcohol is dissolved in 54 g of water. The mole fraction of water in solution is…..

0.1429
0.8571
0.1872
0.3128

35% (W/W. solution of ethylene glycol in water is used as antifreezer in automobiles in radiators as a coolent it lowers the freezing point of water to -6″The mole fraction of ethylene glycol is….

0.927
0.378
0.8648
O.1351

54cm3 of ethyl alcohol was dissolved in 400 cm of water to form 454 cm3 of solution of ethyl alcohol. the Percentage by volume of ethyl alcohol in water is

0.12%
1.45%
11.80%
2.01 %

0 g urea and 1 g sucrose are dissolved in lit of water each the solutions so formed are…….

isotonic
hypertonic
hypotonic
d non-hypotonic

0.05 M urea and 0.05 M sucrose solutions are separated by semipermeable membrane then direction of the flow of solvent is from…

urea to sucrose
sucrose to urea
no flow ot solvent in either direction
none of these

1 mole of N2 and 2 moles of H2 are allowed to react in a 1 dm³ vessel. At equilibrium 0.8 mole of NH3 is forme The concentration of H2 in the vessel is

0.6 mole
0.8 mole
0.2 mole
0.4 mole.

1–phenyl-2-chloropropane on treating with alKOH gives mainly_________

1-phenylpropene
2-phenylpropene
1-phenylpropan-2-ol
1-phenylpropan-1-ol

Top Contributors

Zabeehullah
14961 Points
aviator_hzon
0 Points
konsultaci_wySn
0 Points

All Categories

Quantitative Reasoning (Maths)

No categories

Verbal Reasoning (English)

No categories

Past Papers

Practice Papers

No categories

We are working on different job tests and university entry exams. Soon you will be able to find specific results for your searches.

Site Pages.

Top Categories.

Site Links.

© 2023 www.mcqscareer.com

error: Content is protected !!