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CHM 201 CBT PRACTICE TEST

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Take your time to read instructions before taking this test.

There are 40 questions which you are to answer in 15 minutes that gives you roughly 30 seconds per question.

If you can get at least 60%, you can be rest assured that you’ll ace CHM 201 exam

PS

In a normal exam you will be asked between 40 – 60 questions but I only arranged 40 questions

Note

Do not be in a hurry to answer the questions

Do not waste time on a question you don’t know

Move as fast as possible and starting with questions that don’t have calculation first to save time

Always crosscheck

Don’t be in a hurry to submit, you are not in a competition

Don’t be scared. Getting an A is easy

Don’t be over confident, you can end up a D, E or F. Calm your blood, no be only you sabi book

Please do well to use our comment box incase there’s a message you want to pass to us

70 – 100 A

60 – 69 B

50 – 59 C

45 – 49 D

40 – 44 E

0 – 39 F

I wish you success

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Inorganic Chemistry

1 / 40

1.

The chief constituent of glass is ____________.

2 / 40

2.

Boron and silicon combine with carbon to form ___________.

 

3 / 40

3.

________ occurs in the elemental state as diamond and graphite.

4 / 40

4.

Dilute nitric acid will oxidise HI to ____________.

5 / 40

5.

The reactivity of the various allotropes of phosphorus towards other substances decreases in the order?

6 / 40

6.

In the gaseous state phosphorus exist as _________,

7 / 40

7.

The element with the highest electron affinity amongst the halogens is ___________.

8 / 40

8.

All the elements of Group 5 can expand their octet except _____________.

9 / 40

9.

The tendency of gaining an electron to acquire a stable noble gas configuration makes the halogens ________.

10 / 40

10.

Superphosphate of lime is a more effective fertilizer than phosphate rock because of _________.

 

11 / 40

11.

Which of the options below indicates how carbon behaves differently from other members of Group 4?

12 / 40

12.

Oxoacids in which the central atom is in a higher oxidation states are termed as ____________.

13 / 40

13.

Carbon dioxide is used in fire extinguishers because of ________.

14 / 40

14.

The bond energy of N-N bond in hydrazine is very small due to _______.

15 / 40

15.

Concentrated nitric acid readily oxidises solid non metals and metalloids to their respective _____________.

16 / 40

16.

Silica gel is _____________ form of Silicon dioxide.

17 / 40

17.

The compound among the options below with the least bond energy is ___________.

18 / 40

18.

The tetrahedron of the trihydrides of Group 5 elements is distorted due to repulsion between the lone pair of electrons and the bonded pairs giving these hydrides __________ structure.

19 / 40

19.

Which of the following statement is true ?

 

20 / 40

20.

The tendency of ________ to form multiple bonds easily is due to its high bond energy and small atomic radius.

21 / 40

21.

Ammonia functions as an electron donor because of __________.

22 / 40

22.

The difference between silica and silicate is ________

23 / 40

23.

Which one of the following compounds is formed when carbides are decomposed by water or dilute acids?

24 / 40

24.

____________ are formed by combination of carbon with some transition metals.

 

25 / 40

25.

Group 5 elements form compounds mainly in two oxidation states, namely ____________.

26 / 40

26.

To distinguish between the oxidation states of the central atom in oxoacids, suffixes in which the central atom is in a lower oxidation state are termed _

27 / 40

27.

Tin exhibit polymorphism because of _____________ .

28 / 40

28.

Ammonifying bacteria present in the soil decompose plants and animals when they die into ________

29 / 40

29.

Sandstone, granite and slate are examples of ________.

30 / 40

30.

Hydrazine can act as a coordinating ligand forming complexes with metal ions because of _________.

31 / 40

31.

The most stable hydride of phosphurous is _________.

32 / 40

32.

Dilute nitric acid will oxidise H2S to ____________.

33 / 40

33.

Diamond are used in jewellery on account of their ______.

34 / 40

34.

Lightning discharge in the atmosphere converts nitrogen to _________.

 

35 / 40

35.

The principal constituents of all rocks, clays and soils are ______.

 

36 / 40

36.

Tin is obtained by the ______.

37 / 40

37.

Concentrated nitric acid behaves as an ______________.

38 / 40

38.

_________ are formed by elements of 1,2, 3,11,12 and13 except boron.

39 / 40

39.

_____ is the main types of halides formed by Group 5 elements.

40 / 40

40.

Hydrazine has how many lone pairs of electrons?

 

Your score is

The average score is 32%

0%

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Photo of Phil Phil Follow on Twitter Send an email February 9, 2024
0 216 1 minute read
Photo of Phil

Phil

Phil aka Undergragra is a Computer Engineering Graduate at the Federal University Oye-Ekiti. He is a passionate teacher, writer, educational consultant, and educational informant.
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