- (A) 2
- (B) 3
- (C) 4
- (D) 6
Category: Chemistry Mcqs
Chemistry Mcqs for NTS, PPSC, FPSC, SPSC, KPSC, AJKPSC, PMS, NAT, PTS, Educators, Lecturer and all other exams. Chemistry Mcqs portion will cover mcqs related to Acids, bases, PH,
atomics structure, electrochemistry, thermochemistry, periodic table, chemicals, atomic theory, chemical bonding, Transition metals, periodic table facts, compounds, properties of organic compounds, covalent bond,
Ionic bond and all other topics related to chemistry will be covered here.
Copper forms colorless bead in borax bead test in reducing flame. The oxidation state of copper is?
- (A) +1
- (B) +2
- (C) +3
- (D) +4
Which element is deposited at the cathode during the electrolysis of brine in Nelson cell?
- (A) H2
- (B) Cl2
- (C) Na
- (D) O2
Rectified spirit is converted to absolute alcohol by the dehydrating agent?
- (A) Sulphuric Acid
- (B) Soda Lime
- (C) Lime
- (D) All of the above
Which of the following salt is fairly soluble in water?
- (A) BeF2
- (B) MgF2
- (C) BaF2
- (D) LiF
A metal does float on water gives vigorous reaction with water so much that it reacts with ice at -100 Degree Centigrade. The metal is?
- (A) Na
- (B) Cs
- (C) Li
- (D) K
Which of the following hybrids is highly unstable?
- (A) SbH3
- (B) PH3
- (C) BiH3
- (D) AsH3
Which of the following is least polar?
- (A) AlCl3
- (B) SiCl4
- (C) PCl3
- (D) S2Cl2