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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

The formula C6H5-CO-CH3 represents_______ ?
A Acetone
B Acetic acid
C Acetophenone
D Phenyl acetate
Correct Answer: Acetophenone
Which of the following shows inert pair effect ?
A boron
B carbon
C silicon
D tin
Correct Answer: tin
Which of the following processes is used for the synthesis of cement ?
A dry process
B wet process
C both
D none
Correct Answer: both
What is the density ofargon gas at a temperature of 30°C and a pressure of 1.05 atm?
A 1.65 g/L
B 1.67 g/L
C 1.68 g/L
D None of the above
Correct Answer: 1.68 g/L
The metal which is used in thermite process because of its activity is____________________?
A iron
B copper
C aluminium
D zinc
Correct Answer: aluminium
Calcarious material includes_________________?
A lime stone
B marble
C chalk
D all of the above
Correct Answer: all of the above
In a molecule of carbon monoxide, what are the formal charges on the two atoms?
A Carbon=0, Oxygen=0
B Carbon= +1, Oxygen= -1
C Carbon= -1, Oxygen= +1
D Carbon=0, Oxygen= -1
Correct Answer: Carbon= -1, Oxygen= +1
Which of the following does not give Borax bead test ?
A Cu
B Cr
C Ni
D A1
Correct Answer: A1
DAP (Diammonium hydrogen phosphate) contains ______________ plant nutrients?
A 60%
B 65%
C 70%
D 75%
Correct Answer: 75%
Which of the following aqueous solutions would have the highest boiling point?
A 0.20 m glucose
B 0.20 m NaCl
C 0.15 m CaCl2
D 0.25 m sucrose
Correct Answer: 0.15 m CaCl2
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