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11th February 2016, 11:24 AM
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Join Date: Apr 2013
Re: kcet chemistry question paper

Karnataka Common Entrance Test well known as KCET- Chemistry Previous year question papers assist to know all the type of questions that may come in the exam.

Below are the some questions for Chemistry paper which have already appeared in the exam papers.

Question1. The cooling in refrigerator is due to…
Reaction of the refrigerator gas
Expansion of the ice
The expansion of the gas in the refrigerator
The work of the compressor

Question2. The temperature of the system decreases in a…
Adiabatic compression
Isothermal compression
Isothermal expansion
Adiabatic expansion

Question3. Which of these does not influence the rate of reaction?
Nature of the reactants
Concentration of the reactants
Temperature of the reaction
Molecularity of the reaction

Question3. The rate at which a substance reacts depends on its…
Atomic weight
Atomic number
Molecular weight
Active mass

Question4. The extent of the adsorption of gas on a solid depends on…
Nature of the gas
Pressure of the gas
Temperature of the gas
All are correct

Question5. Gold is extracted by hydrometallurgical process, based on its property…
Of being electropositive
Of being less reactive
To form complexes which are water soluble
To form salts which are water soluble

Question6. Which of the following statements is FALSE?
During roasting moisture is removed from the ore.
The ore is freed from almost all nonmetallic impurities.
Calcination of the ore is carried out in the absence of any blast of air.
The concentration zinc blende is subjected to calcination during its extraction by pyro metallurgy.

Question7. Which of these is NOT TRUE for benzene?
There are three carbon-carbon single bonds and three carbon-carbon double bonds.
It forms only one type of the monosubstituted product.
The bond angle between carbon-carbon bonds is 120 degree.
Heat of hydrogenation of benzene is less than the theoretical value.

Question8. The fellow precipitate formed during the chromyl chloride test is chemically…
Chromic acid
Lead chromate
Lead acetate
Sodium chromate

Question9. Which of the following DOES NOT involve coagulation?
Clotting of blood by the use of ferric chloride.
Formation of delta region.
Treatment of drinking water by potash alum.


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