PPSC Lecturer Chemistry Test 28 Online Preparation MCQs

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.
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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

Which of the following is least soluble in water?

2 / 25

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

3 / 25

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

4 / 25

n-Butyl bromide reacts with NaSH to give

5 / 25

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

6 / 25

Ketones are prepared by the oxidation of

7 / 25

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

8 / 25

Which of the following will have the highest boiling point?

9 / 25

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

10 / 25

Which of the following will have the highest boiling point?

11 / 25

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

12 / 25

Cyclopentanol undergoes oxidation to give :

13 / 25

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

14 / 25

Which statement about the carbonyl group is NOT true?

15 / 25

The carbon atom of a carbonyl group is

16 / 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.

17 / 25

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

18 / 25

Which of the following has the lowest boiling point?

19 / 25

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

20 / 25

Reduction of acetaldehyde with H2/Ni gives

21 / 25

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

22 / 25

Cannizzaro reaction is not given by

23 / 25

Formalin is

24 / 25

The reduction of a ketone

25 / 25

The melting points of aldehydes and ketones tend to:

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