M C Q s D r i v e

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.

Solution with maximum concentration of solute at given temperature is called________________?
A Super saturated solution
B unsaturated solution
C saturated solution
D dilute solution
Correct Answer: saturated solution
Which has strongest bonding in the solid state ?
A Hydrogen Chloride (HCI)
B Chlorine (Cl2)
C Xenon(Xe)
D Sodium Chloride (NaCI)
Correct Answer: Sodium Chloride (NaCI)
Homogeneous mixture of two or more than two compounds is called__________________?
A solution
B compound
C radical
D ion
Correct Answer: solution
All the enthalpy changes are________________?
A Negative
B Positive
C May or may not be A or B
D none
Correct Answer: May or may not be A or B
When common salt is dissolved in water ?
A Boiling point of water decrease
B Boiling point of water increase
C Boiling point of water remains same
D None of the above
Correct Answer: Boiling point of water increase
The pressure during the molar heat of fusion is kept________________?
A 0 atmosphere
B one atmosphere
C 2 atmosphere
D 10 atmosphere
Correct Answer: one atmosphere
Which of the following are the conditions of colligative properties_______________?
A Non-electrolye solute
B Non-volatile solute
C Dilute solution
D All of the above
Correct Answer: All of the above
Isomorphic substances have _______________?
A Same physical and chemical properties
B Same physical and different chemical properties
C Different physical and same chemical properties
D Different physical and chemical properties
Correct Answer: Different physical and chemical properties
Which of the following is an example of liquid in gas solution?
A Opals
B Dust particles in smoke
C Paints
D Fog
Correct Answer: Fog
Bucky balls is an allotropic from of__________________?
A Sulphur
B Carbon
C Silica
D Tin
Correct Answer: Carbon