PPSC Lecturer Chemistry Test 28 Online Preparation MCQs

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Given below on this Website Online Free Taleem is free online MCQ’s test related to PPSC of Lecturer Chemistry. All the individuals who are going to appear in PPSC Lecturer of Chemistry written test can attempt these tests in order to prepare for it in best possible way. Our tests include all the important questions MCQs of Lecturer of PPSC Chemistry, all Past Papers of Lecturer of Chemistry PPSC  that have extremely high amount of chances for been included in the actual exam which make our test undoubtedly the best source of preparation.

Note:-

There will be 25 multiple choice question in the test.
Answer of the questions will change randomly each time you start this test.
Practice this test at least 5 times if you want to secure High Marks.
At the End of the Test you can see your Test score and Rating.
If you found any incorrect answer in Quiz. Simply click on the quiz title and comment below on that MCQ. So that I can update the incorrect answer on time.

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Test Instructions:-
Test Name Lecturer Chemistry
Subject Chemistry Test 28
Test Type MCQs
Total Questions 25
Total Time 20 Minutes
Total Marks 100
0%

You have 20 minutes to pass to the quiz.

PPSC LECTURER OF CHEMISTRY TEST NO. 28

1 / 25

The reduction of a ketone

2 / 25

The melting points of aldehydes and ketones tend to:

3 / 25

Which of the following has the lowest boiling point?

4 / 25

What property of low-molecular weight aldehydes and ketones accounts for the magnitude of their boiling points?

5 / 25

Cyclopentanol undergoes oxidation to give :

6 / 25

n-Butyl bromide reacts with NaSH to give

7 / 25

When formaldehyde is treated with 50% NaOH solution, it undergoes

8 / 25

Which of the following is least soluble in water?

9 / 25

Acetone undergoes reduction with zinc amalgam in HCl to form propane. This reaction is known as

10 / 25

Which of the following will have the highest boiling point?

11 / 25

Cannizzaro reaction is not given by

12 / 25

Which statement about the carbonyl group of ketones and aldehydes is true?
I. It can attract nucleophiles.
II. It can attract electrophiles.
III. It tends to undergo addition reactions.
IV. It tends to undergo substitution reactions.

13 / 25

Which of the following reagents will react readily with both aldehydes and ketones?

14 / 25

Primary alcohols have boiling points that are _____________ the corresponding aldehydes.

15 / 25

Reduction of acetaldehyde with H2/Ni gives

16 / 25

Formalin is

17 / 25

Acetone undergoes reduction with hydrazine in the presence of NaOH to form propane. This reaction is known as

18 / 25

Which action best accounts for the solubility of aldehydes and ketones in water?

19 / 25

The carbon atom of a carbonyl group is

20 / 25

The reaction of ethanal with one equivalent of methanol and a trace of an acid will give

21 / 25

Ketones are prepared by the oxidation of

22 / 25

Which of the following will have the highest boiling point?

23 / 25

Acetone reacts with HCN to form a cyanohydrin. It is an example of

24 / 25

On reduction with LiAlH4, which of the following compounds could yield an optically active compound?

25 / 25

Which statement about the carbonyl group is NOT true?

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