For the first time SSC CPO 2016 examination will be held in Computer Based pattern and managing time will be one of the important factor while solving the questions. So in order to make students familiar with such a situations we are providing questions in a time based manner , which will help students to manage the time properly.
1.Which is true about “Brownian Motion”?
Motion between particles of matter
Zig-zag movement of the small particles suspended in a liquid (or gas)
It increases on increasing the temperature.
All
2.Which strong smelling substance is added to LPG to detect its leakage?
Ethyl isocyanate
Methyl mercaptan
Ethyl mercaptan
Methyl isocyanate
3.Which of the following is dry ice?
Nitrogen dioxide
Methane
Solid carbon dioxide
Sulphur dioxide
4.Which element/s is liquid at room temperature?
Mercury
Radon
Bromine
(a) & (c) both
5.How many percentage of carbon is present in human body?
10%
18 %
15 %
20 %
6.Which does not scatter light?
True solution
Suspension
Colloidal solution
(b) and (c) both
7.If we increases the temperature, then the solubility of solids in liquids
Increases
Decreases
Remains constant
None
8.If we increase the temperature, then the solubility of gases in liquids
Increases
Decreases
Remains constant
None
9.If we increase the pressure, then the solubility of gases in liquids
Increases
Decreases
Remains constant
None
10.Which method is used to separate two miscible liquids of minimum difference in their boiling point?
Distillation
Centrifugal
Sublimation
Fractional distillation
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