PPSC Lecturer Chemistry Test 29 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.

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There will be 25 multiple choice question in the test.
Answer of the questions will change randomly each time you start this test.
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Test Instructions:-
Test NameLecturer Chemistry
SubjectChemistry Test 29
Test TypeMCQs
Total Questions25
Total Time20 Minutes
Total Marks100
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You have 20 minutes to pass to the quiz.


PPSC LECTURER OF CHEMISTRY TEST NO. 29

1 / 25

Aldehydes undergo oxidation with KMnO4/H+ to give

2 / 25

Vinegar is a

3 / 25

Which of the following compounds will give an iodoform test?

4 / 25

What is the hybridization of the carbonyl oxygen in carboxylic acids?

5 / 25

Which of the following compounds does not give iodoform test on treatment with I2/NaOH?

6 / 25

Oxidation of acetaldehyde with Na2Cr2O7/H+ gives

7 / 25

Which of the following reagents can be used to reduce acetaldehyde to ethyl alcohol?

8 / 25

Acetaldehyde on treatment with Fehling's solution gives a precipitate of

9 / 25

The appearance of a silver mirror in Tollens' test indicates the presence of :

10 / 25

The reduction of cyclohexanone with LiAlH4 (or NaBH4) will give

11 / 25

What is the hybridization and geometry of the carbonyl carbon in carboxylic acids and their derivatives?

12 / 25

Check the incorrect statement :

13 / 25

Why do aldehydes undergo nucleophilic addition reactions while esters undergo nucleophilic acyl substitution reactions?

14 / 25

Which of the following compounds will give a positive iodoform test?

15 / 25

Acetaldehyde on treatment with Tollens' reagent gives a precipitate of

16 / 25

An organic compound (A), C3H8O, on oxidation gives (B), C3H6O. The compound (B) could be

17 / 25

An organic compound (A), C3H8O, on oxidation gives (B), C3H6O. The compound (A) could be

18 / 25

An unknown compound gave a positive Tollens' test. Treatment of the unknown with I2/NaOH gave a solid which was identified as iodoform. The unknown was?

19 / 25

Organic compound (A), C4H8O, does not react with sodium or PCl5. However, it reduces an alkaline solution of a copper (II) salt on heating. Compound (A) could be

20 / 25

Which of the following compounds does not give a positive iodoform test :

21 / 25

A hydrazone will result from the reaction of hydrazine with

22 / 25

Aldehydes can be distinguished from ketones by using

23 / 25

Which of the following characterizes the reactions of aldehydes and ketones?

24 / 25

In the conversion of wine to vinegar

25 / 25

Which of the following compounds will give a positive test with Fehling's solution?

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