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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

Amylose is__________________?
A Soluble in water
B Insoluble in water
C Soluble in alcohol
D Partially soluble in alcohol
Correct Answer: Soluble in water
The most commonly used bleaching agent is_________?
A alcohol
B carbon dioxide
C chlorine
D sodium chlorine
Correct Answer: chlorine
Borax is a white crystalline solid and it is_________________?
A More soluble in cold water
B More soluble in hot water
C Insoluble in water
D Soluble only in organic solvents
Correct Answer: More soluble in hot water
Nylon is obtained by heating___________________?
A Acrylic acid
B Epichlorohydrin
C Vinyl chloride
D Adipic acid with hexamethylene diamine
Correct Answer: Adipic acid with hexamethylene diamine
The heat required to raise the temperature of body by 1 K is called___________?
A specific heat
B thermal capacity
C water equivalent
D None of the above
Correct Answer: thermal capacity
One of the outstanding features of boron is its ability to form__________________?
A Molecular addition compounds
B Molecular crystals
C Semiconductors
D Ionic compounds
Correct Answer: Molecular addition compounds
Carbohydrates are polyhydroxy compounds of___________________?
A Glucose
B Glyceraldehydes
C Oligosaccharides
D Aldehydes and ketones
Correct Answer: Aldehydes and ketones
The mass of P4O10 that will be obtained from the reaction of 1.33 gram of P4 and 5.07 of oxygen is___________?
A 2.05 gram
B 3.05 gram
C 4.05 gram
D 5.05 gram
Correct Answer: 3.05 gram
Boron is non-netal whereas A1 is metal. It is due to_______________________?
A Small size
B High nuclear charge
C Both A and B
D No authorized justification yet
Correct Answer: Both A and B
Polyester resins are the product of the reaction of__________________?
A Dihydric alcohol and dicarboxylic aromatic acids
B Polyamines with aliphatic dicarboxylic acids
C Styrene in the presence of catalyst
D Epichlorohydrin with diphenylol propane
Correct Answer: Dihydric alcohol and dicarboxylic aromatic acids
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