Chemistry Test

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Chemistry Test - 20

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Weekly Quiz Competition

Question 1
1 / -0

A

9.08

B

9.43

C

8.73

D

11.72
Question 2
1 / -0

A gas deviates from ideal behaviour at a high pressure because its molecules

A

attract one another

B

show the Tyndall effect

C

have kinetic energy

D

are bound by covalent bonds
Question 3
1 / -0

Not considering the electronic spin, the degeneracy of the second excited state( n = 3) of H atom is 9, while the degeneracy of the second excited state of H^– is

A

3

B

4

C

5

D

2
Question 4
1 / -0

A 6% solution of urea is isotonic with

A

6% solution of Glucose

B

25% solution of Glucose

C

1 M solution of Glucose

D

0.05 M solution of Glucose
Question 5
1 / -0

The number of resonance structures for N is

A

6

B
7

C
8

D
9
Question 6
1 / -0

The correct statement(s) about Cr^2+ and Mn^3+ is(are)[Atomic numbers of Cr = 24 and Mn = 25]

A

All of these

B

Cr^2+ is a reducing agent

C

Mn^3+ is an oxidizing agent

D

Both Cr^2+ and Mn^3+ exhibit d^4 electronic configuration
Question 7
1 / -0

Which of the following is not an ore of magnesium?

A

Calamine

B

Dolomite

C

Carnallite

D

Sea water
Question 8
1 / -0

If the unit cell of a mineral has cubic close packed (ccp) array of oxygen atoms with m fraction of octahedral holes occupied by aluminium ions and n fraction of tetrahedral holes occupied by magnesium ions, m and n, respectively, are

A

1/2 , 1/2

B

1/2 , 1/8

C

1 , 1/4

D

1/4 , 1/8
Question 9
1 / -0

A

Option A, B

B

Option B, D

C

Option B, c

D

All of these
Question 10
1 / -0

Find the anionic species given that are present in the ore(s) given in options :Sulphide

A

Bauxite

B

Calamine

C

Argentite

D

Malachite

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Re-Attempt Weekly Quiz Competition

Chemistry Test - 20

Result

Chemistry Test - 20

Score

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Rank

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SHARING IS CARING

Question 1

9.08

9.43

8.73

11.72

Question 2

attract one another

show the Tyndall effect

have kinetic energy

are bound by covalent bonds

Question 3

3

4

5

2

Question 4

6% solution of Glucose

25% solution of Glucose

1 M solution of Glucose

0.05 M solution of Glucose

Question 5

6

7

8

9

Question 6

All of these

Cr^2+ is a reducing agent

Mn^3+ is an oxidizing agent

Both Cr^2+ and Mn^3+ exhibit d^4 electronic configuration

Question 7

Calamine

Dolomite

Carnallite

Sea water

Question 8

1/2 , 1/2

1/2 , 1/8

1 , 1/4

1/4 , 1/8

Question 9

Option A, B

Option B, D

Option B, c

All of these

Question 10

Bauxite

Calamine

Argentite

Malachite

User

Question Analysis

My Perfomance

Score

-

Rank

-

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