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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

Silver mirror is a test for ____________?
A Aldehydes
B Thio alcohols
C Amines
D Ethers
Correct Answer: Aldehydes
Dimethyl ketones are usually characterized through_____________?
A Tollen’s reagent
B Iodoform test
C Schiff’s test
D Benedict’s reagent
Correct Answer: Iodoform test
O3 reacts with CH2CH2 to form ozonide. On hydrolysis it forms
A Ethylene oxide
B HCHO
C Ethylene glycol
D Ethyl alcohol
Correct Answer: HCHO
The Clemmenson reduction of acetone yields
A Ethanol
B Ethanal
C Propane
D Propanol
Correct Answer: Propane
Acetaldehyde cannot show
A Iodoform test
B Lucas test
C Benedict’s test
D Tollen’s test
Correct Answer: Lucas test
Hydrogen bonding is present in __________?
A Water
B Ethyl Alcohol
C Phenol
D All of these
Correct Answer: All of these
Which instrument is used to measure the viscosity.?
A Hygrometer
B Hydrometer
C Anemometer
D Viscometer
Correct Answer: Viscometer
Which of the following is unit of Viscosity?
A Decibell
B Torr
C Poise
D Hertz
Correct Answer: Poise
Real gases show ideal behavior at_______?
A Low Temp & High Pressure
B High Temp & Low Pressure
C High Temp & High pressure
D Low Temp & Low Pressure
Correct Answer: High Temp & Low Pressure
Charle’s Law was given by Jacques Charles in_______?
A 1785
B 1787
C 1880
D 1885
Correct Answer: 1787
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