GENERAL CHEMISTRY QUIZ - 7

1/10
If we add salt to pure water, its boiling point will -
increase
decrease
remains same
None of the above
2/10
zinc is used to protect iron from corrosion because zinc is -
More electro positive than iron
cheaper than iron
a bluish white metal
a good conductor of heat and electricity
3/10
In galvanization, iron is coated with -
Copper
Zinc
Tin
Nickel
4/10
The most powerful reducing agent is -
K
Na
Ba
Mg
5/10
Iron rusts in the presence of -
Vaccum
Moisture
Oxygen
Both (b) and (c)
6/10
The art of electroplating was given by -
Edison
Faraday
Thomas Grahan
Brugan
7/10
Smoke is a colloidal dispersion of a -
Solid in a gas
Liquid in a gas
Gas in a solid
Gas in a gas
8/10
Scattering of light takes place in -
Electroplating
Electrolysis
Solutions of electrolyte
Colloidal solution
9/10
Medicines are more effective, if they are used in -
Solution state
Gaseous state
Colloidal state
Solid state
10/10
Artificial rain is caused by spraying -
Neutral charged colloidal dust over a cloud
Similar charged colloidal dust over a cloud
Both (a) and (b)
Opposite charged colloidal dust over a cloud
Result:

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