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Chemistry

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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.

A Show tetravalency

B Exhibit catenation

C Show isomerism

D Can form multiple bonds

A 2

B 3

C 4

D 6

A Displacement

B Reduction

C Disproportionation reaction

D Double displacement reaction

A FeS2

B HgS

C PbS

D ZnS

A Lubricant

B Water repellent film

C Rubber sheet

D Medicine

A Mg > Sr

B Ba > Mg

C Lu > Ce

D CI > 1

A Na K

B Mg Ca

C Li Na

D Li Ca

A Reduction occurs at anode

B K+ ion transfer from salt bridge to left beaker of ZnSO4

C Oxidation occurs at cathode

D Anode is negatively charged

A Oxidation potential

B Redox potential

C e.m.f of cell

D standard reduction potential

A 8

B 5.1

C 6

D one/fifty one

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A great variety of the organic compounds is due to its property of carbon_________________?

In the complex [Cr(OH)3(H2O)3] the coordination number is __________________?

When chlorine is passed through hot solution of caustic soda the reaction is said as___________________?

Chemical composition of cinnabar is____________________?

Which one is not the use of silicones________________________?

Keeping in view the size of atom which is in correct order___________________?

Nitrates of which pair gives different products on thermal decomposition___________________?

Which is true about Zn-Cu galvanic cell ?

Stronger is the oxidizing agent greater is the___________________?

18g glucose is dissolved in 90g water the relative lowering in vapour pressure is equal to ___________________?