CSIR UGC Net Model Question Paper Chemical Science

Hello Guys , I want to Get Previous year CSIR UGC NET Question Paper of Chemical Science , Here Would you please give me Same for my help ?

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Friend as on your Asking Here I m giving Sample Question of Previous year CSIR UGC NET Question Paper of Chemical Science :

It takes 2 hours for Tiwari and Deo to do a job.
Tiwari and Hari take 3 hours to do the same
job. Deo and Hari take 6 hours to do the same
job. Which of the following statements is
incorrect?
1. Tiwari alone can do the job in 3 hours
2. Deo alone can do the job in 6 hours
3. Hari does not work at all
4. Hari is the fastest worker

Abdul travels thrice the distance Catherine
travels, which is also twice the distance that
Binoy travels. Catherine’s speed is 1/3 of
Abdul’s speed, which is also 1/2 of Binoy’s
speed. If they start at the same time then who
reaches first?
1. Both Abdul and Catherine
2. Binoy
3. Catherine
4. All three together

For a certain regular solid: number of faces +
number of vertices = number of edges+2. For
three such distinct (not touching each other)
objects, what is the total value of faces +
vertices edges?
1. Two 2. Four
3. Six 4. Zero

Choose the four digit number, in which the
product of the first & fourth digits is 40 and the
product of the middle digits is 28. The
thousands digit is as much less than the unit
digit as the hundreds digit is less than the tens
digit.
1. 5478 2. 5748
3. 8745 4. 8475

A frog hops and lands exactly 1 meter away at
a time. What is the least number of hops
required to reach a point 10 cm away?
1. 1
2. 2
3. 3
4. It cannot travel such a distance

A train running at 36 km/h crosses a mark on
the platform in 8 sec and takes 20 sec to cross
the platform. What is the length of the
platform?
1. 120 m 2. 280 m
3. 40 m 4. 160 m

Water is slowly dripping out of a tiny hole at
the bottom of a hollow metallic sphere initially
full of water. Ignoring the water that has
flowed away, the centre of mass of the system
1. remains fixed at the centre of the sphere
2. moves down steadily as the amount of
water decreases
3. moves down for some time but eventually
returns to the centre of the sphere
4. moves down until half of the water is lost
and then moves up

A person paid income tax at the rate of R% for
the first Rs 2 lakhs, and at the rate of (R+10)%
for income exceeding Rs 2 lakhs. If the total
tax paid is (R+5)% of the annual income, then
what is the annual income ?
1. Rs 2.5 lakhs
2. Rs 3.0 lakhs
3. Rs 4.0 lakhs
4. Rs 5.0 lakhs

An experiment leads to the following set of
observations of the variable ‘ ’ at different
times ‘ ’ .
0 1 2 3 4 5 6
5 6.1 9.1 13.7 20.6 30.8 41.4

The difference between the squares of the ages
(in complete years) of a father and his son is
899. The age of the father when his son was
born
1. cannot be ascertained due to inadequate data.
2. is 27 years.
3. is 29 years.
4. is 31 years.

A bicycle tube has a mean circumference of
200 cm and a circular cross section of diameter
6 cm. What is the approximate volume of water
(in cc) required to completely fill the tube,
assuming that it does not expand?
1. 600
2. 1200
3. 3600
4. 1800

The correct shape of [TeF
5]
–
ion on the basis
of VSEPR theory is
1. Trigonal bipyramidal
2. Square pyramidal
3. Pentagonal planar
4. See-saw

In the iodometric titration of sodium thiosulfate (Na2
S
2O3) with acidic dichromate solution,
25 mL of 0.1 M dichromate requires 25 mL of
‘x’ M thiosulfate. The value of ‘x’ is
1. 0.2 2. 0.1
3. 0.6 4. 0.4

Decomposition temperature of CaCO
3 in
thermogravimetric analysis will be highest in
dynamic atmosphere of
1. nitrogen
2. synthesis gas
3. 1:1 mixture of O2 and CO
4. water gas

For monoionic complex [UO
2(NO3)3]–, the
correct coordination number and geometry
respectively, are
1. 8 and hexagonal bipyramidal
2. 5 and square pyramidal
3. 8 and square antiprism
4. 5 and trigonal bipyramidal

Chelate effect is
1. predominantly due to enthalpy change
2. predominantly due to entropy change
3. independent of ring size
4. due to equal contribution of entropy
and enthalpy change





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