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.
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Test Instructions:-
Test NameLecturer Chemistry
SubjectChemistry Test 28
Test TypeMCQs
Total Questions25
Total Time20 Minutes
Total Marks100
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

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

3 / 25

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

4 / 25

Ketones are prepared by the oxidation of

5 / 25

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

6 / 25

The melting points of aldehydes and ketones tend to:

7 / 25

Cyclopentanol undergoes oxidation to give :

8 / 25

The reduction of a ketone

9 / 25

Which of the following has the lowest boiling point?

10 / 25

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

11 / 25

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

12 / 25

Formalin is

13 / 25

Which of the following will have the highest boiling point?

14 / 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.

15 / 25

The carbon atom of a carbonyl group is

16 / 25

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

17 / 25

Cannizzaro reaction is not given by

18 / 25

Reduction of acetaldehyde with H2/Ni gives

19 / 25

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

20 / 25

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

21 / 25

n-Butyl bromide reacts with NaSH to give

22 / 25

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

23 / 25

Which of the following will have the highest boiling point?

24 / 25

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

25 / 25

Which statement about the carbonyl group is NOT true?

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