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Chemistry 1488 MCQs [All-Courses]

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.

Sodium is not observed in +2 oxidation state because of its__________________?

A high first ionization potential

B high second ioniation potential

C high ionic radius

D high electronegativity

Review Detailed Answer

Correct Answer: high second ioniation potential

The IUPAC suffix used for _______ NC group?

A Cyanide

B Isocyanides

C Nitrile

D Carbylamines

Review Detailed Answer

Correct Answer: Nitrile

Which one of the following pairs shown diagonal relationship in the periodic table ?

A Sodium and Lithium

B Lithium and magnesium

C Lithium and beryllium

D Boron and Beryllium

Review Detailed Answer

Correct Answer: Lithium and magnesium

The molar mass of an organic acids is determined by____________?

A Depression of freezing point

B Volumetric method

C Victor Meyer’s method

D Osmosis method

Review Detailed Answer

Correct Answer: Volumetric method

Which one of the following alkali metals forms only normal oxide when it reacts with O2 ?

A Lithium

B Sodium

C Potassium

D Rubidium

Review Detailed Answer

Correct Answer: Lithium

Presence of nitrogen in organic compounds is tested as__________?

A Nitrogen gas

B NH3

C CN‾

D NO

Review Detailed Answer

Correct Answer: CN‾

Gypsum is applied to the soil as a source of________________?

A Ca and P

B S and P

C Ca and S

D we could not apply

Review Detailed Answer

Correct Answer: Ca and S

Beillstein test is used for________?

A Cl

B N2

C CO2

D CO

Review Detailed Answer

Correct Answer: Cl

In diaphragm cell hydrogen is discharged by the reduction of__________________?

A Water

B HCI

C Na+

D NaCl

Review Detailed Answer

Correct Answer: Water

The stationary and mobile phases in paper chromatography are____________?

A Liquid/liquid

B Solid/liquid

C Liquid/solid

D Liquid/gas

Review Detailed Answer

Correct Answer: Solid/liquid

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Chemistry 1488 MCQs [All-Courses]

All Topics 1488

All Topics 1488

Sodium is not observed in +2 oxidation state because of its__________________?

The IUPAC suffix used for _______ NC group?

Which one of the following pairs shown diagonal relationship in the periodic table ?

The molar mass of an organic acids is determined by____________?

Which one of the following alkali metals forms only normal oxide when it reacts with O2 ?

Presence of nitrogen in organic compounds is tested as__________?

Gypsum is applied to the soil as a source of________________?

Beillstein test is used for________?

In diaphragm cell hydrogen is discharged by the reduction of__________________?

The stationary and mobile phases in paper chromatography are____________?