Science Chemistry - GK Questions and Answers Set 23:
The List of Important GK questions from general science were given here, Candidates those who are preparing for the SSC/FCI Exam can use this material
1).
Laughing Gas is _________.
a)
Nitric
oxide
b)
Nitrous
oxide
c)
Nitrogen
penta oxide
d)
Nitrogen
2).
When an ionic compound of the formula XmYn is dissolved in water then the ions
released are
a)
xn+
and ym-
b)
mxn+
and nym-
c)
nxm+
and myn-
d)
mxn-1 and nym+1
3).
The process of disintegration of a heavy nucleus is called
a)
Chemical
reaction
b)
Chain
reaction
c)
Nuclear
fusion
d)
Nuclear
fission
4).
Which among the following fertilizers contains the highest percentage of
nitrogen
a)
Calcium
ammonium nitrate
b)
Ammonium
nitrate
c)
Calcium
nitrate
d)
Urea
5).
Fog represents which among the following colloidal solutions?
a)
Liquid
in gas
b)
Gas
in liquid
c)
Solid
in gas
d)
Liquid
in liquid
6).
In the reaction MH4NO2
à
N2 + 2H2O the nitrogen of NH4 and NO2
a)
Oxidation
and Oxidation
b)
Oxidation
and Reduction
c)
Reduction
and Oxidation
d)
Reduction
and reduction
7).
Vinegar is an aqueous solution of which among the following?
a)
Oxalic
acid
b)
Citric
acid
c)
Acetic
acid
d)
Hydrochloric
acid
8).
The mass number of an element is ‘A’. Its atomic number is ‘Z’. The number of
neutrons, protons and electrons present in the atom of this element are
repectively
a)
(A-Z),
Z, Z
b)
A,
Z, Z
c)
Z,
Z, (A-Z)
d)
Z,
(A-Z), A
9).
A neutron, a proton and an alpha particle are moving with the same kinetic
energy. The increasing order of their speeds will be
a)
Alpha
particle, neutron, proton, electron
b)
Alpha
particle, proton, neutron, Electron
c)
Electron,
neutron, proton, alpha particle
d)
Proton,
neutron, alpha particle, electron
10).
Sea water contains more dissolved salts than rain water, because
a)
Rivers
bring salts to sea
b)
There
are salty rocks inside the sea
c)
The
atmosphere around sea is salty
d)
The
aquatic animals in sea produce salt
Answers:
1).b) 2).a) 3).d) 4).d) 5).a) 6).b) 7).c) 8).a)
9).a) 10).a)
