Chemistry Test 159

Result

Chemistry Test 159

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Weekly Quiz Competition

Question 1
4 / -1

The enthalpies of the following reactions are shown below.

A

B

C

D
Question 2
4 / -1

A

B

C

D

Solution
Question 3
4 / -1

A compound of Xe and F is found to have 53.5% of Xe. What is oxidation number of Xe in this compound?

A
–4

B
0

C
+4

D
+6

Solution
Question 4
4 / -1

Calculate the normality of 10 volume H₂O₂ ?

A
1.7N

B
12N

C
30.3N

D
0.0303N

Solution
Question 5
4 / -1

A
1 and 4

B
1 and 3

C
1 and 2

D
2 and 3

Solution
Question 6
4 / -1

On adding ammonium hydroxide solution to

A
A precipitate is formed which does not dissolve in excess of ammonium hydroxide

B
A precipitate is formed which dissolves in excess of ammonia solution

C
No precipitate is formed

D
None of these

Solution
Question 7
4 / -1

Sodium nitroprusside, when added to an alkaline solution of sulphide ions, produces purple colour ion due to the formation of

A

B

C

D

Solution
Question 8
4 / -1

Which of the following organic compounds has same hybridization as its combustion product (CO₂) ?

A
Ethane

B
Ethyne

C
Ethene

D
Ethanol

Solution
Question 9
4 / -1

Photochemical smog is essentially caused by the presence of

A

B

C

D

Solution

Photochemical smog is caused by oxides of sulphur and nitrogen.
Question 10
4 / -1

The unit cell dimensions of a cubic lattice (edges a, b, c and the angles between them, ) are

A

B

C

D