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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

Phenanthrene is a fused polycyclic compound contains __________ benzene rings ?
A Two
B Three
C Four
D Five
Correct Answer: Three
The PH of the 1.3 × 10-4 NH4Cl is__________?
A 1.3
B 4
C 2.886
D 3.886
Correct Answer: 3.886
Addition of 2% gypsum in cement________________?
A Triggers hydration
B Triggers hydrolysis
C Prevents rapid hardening
D all of the above
Correct Answer: Prevents rapid hardening
The PH of the 0.0032 M H2SO4 is__________?
A 3.2
B 4
C 2.198
D 1
Correct Answer: 3.2
Which one can form complex ?
A Na
B Cr
C Li
D K
Correct Answer: Li
The compound (CH3)3COH according to IUPAC is known as ___________?
A Tert-Butanol
B 2,2-Dimethyl-propanol
C Tert Alcohol
D 1,1- Diethylethanol
Correct Answer: 2,2-Dimethyl-propanol
Second ionization potential of alkali metals are very high due to_______________?
A being s-block elements
B inert gas configurations
C ns1 electronic configuration
D being metals
Correct Answer: inert gas configurations
The IUPAC name of HCONH2 is___________?
A Methanamide
B Methanoylamine
C Aminoethanol
D Formanide
Correct Answer: Methanamide
Magnesium metal does not burn in the vessel containing_______________?
A N2
B O2
C N2 and O2
D Ne
Correct Answer: Ne
The IUPAC name of ethylene oxide is__________?
A Epoxy methane
B Oxoethene
C Methoxymethane
D Oxirane
Correct Answer: Oxoethene
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