Chemistry 11 Chapter 2
Experimental Tehniques In Chemistery
Test 10
1.
Gooch crucible is made up of?
a) Pores
b) Protein
c) Glass
d) Porcelain
2.
The stem of the funnel should be several ______long so that it can extend a few centimeter down into the beaker?
a) Meters
b) Millimeters
c) Inches
d) Centimeters
3.
The rate of filtration through conical funnel can considerably ______ using fluted filter paper?
a) Decrease
b) Increase
c) None of these
d) Slow
4.
The rate of filtration through conical funnel can considerably increased using_________?
a) Fold filter paper
b) Fluted filter paper
c) Gooch crucible
d) Glass crucible
5.
The filtering operation is?
a) Fast process
b) Slow process
c) Time wastage
d) Time consuming
6.
The funnel should in turn be large enough for its rim to extend________ above the circumference of the paper?
a) 1 to 2cm
b) 2cm
c) 1cm
d) None of these
7.
The second fold of the filter paper shoud be such that the edges _______ match?
a) Does not quite match
b) None of these
c) May be match
d) Should be quite match
8.
The first fold of the filter paper should be along the _______ of the paper?
a) Aperture
b) Radius
c) Diameter
d) None of these
9.
The tip should touch the side of the beaker to avoid the?
a) Splashing
b) Both
c) None of these
d) Leakage
10.
Which pore size is to be used depend upon ____________?
a) Size of precipitate
b) Shape of precipitate
c) Nature of liquid
d) Nature of precipitate
This is more feedback!
This is the feedback!
