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Old 22nd August 2012, 09:59 AM
gksahu.
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Default Chemistry Entrance Questions

I am doing participate in Chemistry entrance exam so I want to know about it question pattern so please tell me about this
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Old 22nd August 2012, 12:37 PM
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Join Date: May 2012
Default Re: Chemistry Entrance Questions

You are participating Chemistry entrance exam. So you want question paper.

Here I am providing you sample questions for the chemistry subject.

1.The nucleus of an atom consists of
A. electrons and neutrons
B. electrons and protons
C. protons and neutrons
D. All of the above

2.
The number of moles of solute present in 1 kg of a solvent is called its
A. molality B. molarity
C. normality D. formality

3.
The most electronegative element among the following is
A. sodium B. bromium
C. fluorine D. oxygen

4.
The metal used to recover copper from a solution of copper sulphate is
A. Na B. Ag
C. Hg D. Fe

5.
The number of d-electrons in Fe2+ (Z = 26) is not equal to that of
A. p-electrons in Ne(Z = 10)
B. s-electrons in Mg(Z = 12)
C. d-electrons in Fe(Z = 26)
D. p-electrons in CI(Z = 17)

6.
The metallurgical process in which a metal is obtained in a fused state is called
A. smelting B. roasting
C. calcinations D. froth floatation

7.
The molecules of which gas have highest speed?
A. H2 at -73oC
B. CH4 at 300 K
C. N2 at 1,027oC
D. O2 at 0oC

8.
The oldest rocks in the earth's crust were once molten, and came from deep inside the earth. The molten rock, called magma, spewed out in volcanic eruptions during the earth;s early life and solidified into hard rock's called
A. granite
B. basalt
C. igneous rocks
D. sedimentary rocks

9.
The law which states that the amount of gas dissolved in a liquid is proportional to its partial pressure is
A. Dalton's law
B. Gay Lussac's law
C. Henry's law
D. Raoult's law

10.
The main buffer system of the human blood is
A. H2CO3 - HCO3
B. H2CO3 - CO32-
C. CH3COOH - CH3COO-
D. NH2CONH2 - NH2CONH+

11.
The gas present in the stratosphere which filters out some of the sun's ultraviolet light and provides an effective shield against radiation damage to living things is
A. helium B. ozone
C. oxygen D. methane

12.
The most commonly used bleaching agent is
A. alcohol
B. carbon dioxide
C. chlorine
D. sodium chlorine
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