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Chemistry

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1511 MCQs

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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 phenol is unsaturated

B 2-bromophenol is insoluble in water

C a hydroxy group makes the benzene ring more susceptible to electrophilic attack

D acid-base reaction

A alkaline aquenous iodine

B aqueous bromine

C Fehling solution

D aqueous NaOH

A n2a/v correct for the intermolecular forces.

B nb correct for the volume occupied by gas molecules.

C at high densities the equation reduces to the ideal gas law

D all of the above statements are correct.

A Quantum structure

B Secondary structure

C Tertiary structure

D Primary structure

A Pb3 O4

B 2Pb CO3 – Pb (OH)2

C Pb Cr O4 – Pb (OH)2

D Pb2O

A IIIA group

B IVA group

C VA group

D VIA group

A Si

B As

C Te

D None of the above

A Ag

B A

C Au

D Cu

A endothermic

B exothermic

C unpredictable

D same

A A

B Ag

C Both

D Neither

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When aquious bromine is added to aqueous phenol a creamy white ppt is obtained. What does this reaction show ?

The inhaled breath of diabetics patient contain acetone. A medical student wishes to test for diabetes by asking patient to bubble their breath through a reagent ?

In the van der Waals equation (P + n2a / v2) (v – nb) = nRT which of the following statement is not true ?

Regular coiling or zigzagging of polypeptide through hydrogen bonding is its___________________?

Which of the following is the formula of chrome red ?

Across short period the melting and boiling point increase upto __________________?

Which of the elements do not fall in stair case of the modern periodic table__________________?

Which of following metals can be displaced by all other metals from its solution ?

In which of the following type of reactions energy of reactant is greater than energy of product________________?

At which electrode the reduction of the solution is occurring in Al-Ag cell_____________?