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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.

Dilute nitric acid will oxidise H2S to ____________.

2 / 40

2.

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.

3 / 40

3.

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

 

4 / 40

4.

Ammonia functions as an electron donor because of __________.

5 / 40

5.

The purest and most stable form of silica is ____________

6 / 40

6.

The most stable hydride of phosphurous is _________.

7 / 40

7.

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

8 / 40

8.

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

9 / 40

9.

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 _

10 / 40

10.

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

 

11 / 40

11.

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

12 / 40

12.

Concentrated nitric acid behaves as an ______________.

13 / 40

13.

________ occurs in the elemental state as diamond and graphite.

14 / 40

14.

Tin is obtained by the ______.

15 / 40

15.

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

16 / 40

16.

Lightning discharge in the atmosphere converts nitrogen to _________.

 

17 / 40

17.

Sandstone, granite and slate are examples of ________.

18 / 40

18.

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

19 / 40

19.

Other halogens apart from fluorine exhibit variable oxidation states due to ________.

20 / 40

20.

Boron and silicon combine with carbon to form ___________.

 

21 / 40

21.

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

22 / 40

22.

The reaction C6H6 + HNO3 will give _____________.

 

23 / 40

23.

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

24 / 40

24.

The chief constituent of glass is ____________.

25 / 40

25.

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

26 / 40

26.

Carbon dioxide is used in fire extinguishers because of ________.

27 / 40

27.

Hydrazine has how many lone pairs of electrons?

 

28 / 40

28.

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

 

29 / 40

29.

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

30 / 40

30.

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

31 / 40

31.

The forms of carbon include _________.

32 / 40

32.

Table of Contents

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

33 / 40

33.

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

34 / 40

34.

Which of the options below shows how carbon behaves differently from the rest of the elements in its group?

35 / 40

35.

Which of the following statement is true ?

 

36 / 40

36.

Dilute nitric acid will oxidise HI to ____________.

37 / 40

37.

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

38 / 40

38.

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

39 / 40

39.

The difference between silica and silicate is ________

40 / 40

40.

Silica gel is _____________ form of Silicon dioxide.

Your score is

The average score is 30%

0%

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