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Chemistry 1488 MCQs [All-Courses]

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oost your exam preparation with our Chemistry MCQs designed for PPSC, FPSC, NTS, OTS, PTS, AJKPSC, BPSC, KPPSC, PMS, CSS, and all competitive exams.
Our content covers Basic Chemistry, Atomic Structure, Periodic Table, Chemical Reactions, Acids & Bases, Organic Chemistry, and everyday chemical concepts.

All Topics  1488

Which one of the following is also known as tartaric acid ?
A 2 3-dihydroxy butance 1 4 -dioic acid
B 2 3 -dihydroxy butanedioic acid
C 2 3 -dihydroxy butanioc acid
D 2 2 -dihydroxy butanoic acid
Correct Answer: 2 3-dihydroxy butance 1 4 -dioic acid
Which one of the following acids is present in lemon juice ?
A Citric acid
B Benzoic acid
C Tartaric acid
D Oxalic acid
Correct Answer: Citric acid
Which one of the following is termed as benzul alcohol ?
A C6H5OH
B C6H5CH(OH)2
C C6H5CH2OH
D C6H5COOH
Correct Answer: C6H5CH2OH
The term internal salt refers to_____________________?
A Acidic character of amino acids
B Basic character of amino acids
C Dipolar character of amino acids
D Non-polar structure of amino acids
Correct Answer: Dipolar character of amino acids
Alkyl halides undergo a type of reaction_________________?
A Nucleophilic substitution
B Nucleophilic addition
C Elimination
D both A & C
Correct Answer: both A & C
Acidic amino acids have________________?
A 2 amino groups and 1 carboxylic group
B 1 amino and 1 carboxylic groups
C 2 carboxylic groups and 1 amino group
D 2 amino and 2 carboxylic groups
Correct Answer: 2 carboxylic groups and 1 amino group
Ethylene epoxide treated with Grignards reagent followed by acid hydrolysis yield __________________?
A primary alcohol
B secondary alcohol
C tertiary alcohol
D dihydric alcohol
Correct Answer: primary alcohol
Which of the following is the strongest acid ?
A Water
B Formic acid
C Acetic acid
D Propanoic acid
Correct Answer: Formic acid
Which one of the following reactants will be required to form straight chain alcohol by using Grignard reagent________________?
A formaldehyde
B ketone
C ethylene epoxide
D both A & C
Correct Answer: both A & C
The irritation caused by red ants bite is due to____________________?
A Lactic acid
B Formic acid
C Uric acid
D Acetic acid
Correct Answer: Formic acid
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