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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.

Species are formed in one step of reaction mechanism and used up in another step are called:

A Catalyst

B Intermediate

C inhibitor

D activated complex

Review Detailed Answer

Correct Answer: Intermediate

The best indicator for titrating HCl with NH4OH is: _________?

A methyl Orange

B litmus

C phenol red

D phenopthalein

Review Detailed Answer

Correct Answer: methyl Orange

Ostwald’s dilution law applicable to:

A All electrolytes

B Strong electrolytes

C Non electrolytes

D Weak electrolytes

Review Detailed Answer

Correct Answer: Weak electrolytes

The phenomenon of negative catalysis is also known as:

A auto catalysis

B Self catalysis

C inhibition

D Enzyme catalysis

Review Detailed Answer

Correct Answer: inhibition

The decomposition of nitroglycerine is an example of:

A Self catalytic reaction

B Enzyme catalytic reaction

C Autocatalytic reaction

D induced catalysis

Review Detailed Answer

Correct Answer: Autocatalytic reaction

The product of the reaction between steam and Hydrocarbon in presence of Ni catalyst at 900°C is _____.

A CO²+O²

B CO+H²(water gas)

C CO³+H²O

D Laughing Gas

Review Detailed Answer

Correct Answer: CO+H²(water gas)

Law of mass action was proposed by Goldberg and Peter Waage in _________?

A 1864

B 1866

C 1888

D None of These

Review Detailed Answer

Correct Answer: 1864

The only non metal exists in liquid state is ___________?

A Mercury

B Bromine

C Phosphorus

D Iodine

Review Detailed Answer

Correct Answer: Bromine

The chemical symbol for silver is __________?

A Au

B Ag

C Sv

D At

Review Detailed Answer

Correct Answer: Ag

In water molecule, Hydrogen & water are held together by ______ bond.

A Ionic

B Covalent

C Hydrogen

D Dating

Review Detailed Answer

Correct Answer: Covalent

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Chemistry 1488 MCQs [All-Courses]

All Topics 1488

All Topics 1488

Species are formed in one step of reaction mechanism and used up in another step are called:

The best indicator for titrating HCl with NH4OH is: _________?

Ostwald’s dilution law applicable to:

The phenomenon of negative catalysis is also known as:

The decomposition of nitroglycerine is an example of:

The product of the reaction between steam and Hydrocarbon in presence of Ni catalyst at 900°C is _____.

Law of mass action was proposed by Goldberg and Peter Waage in _________?

The only non metal exists in liquid state is ___________?

The chemical symbol for silver is __________?

In water molecule, Hydrogen & water are held together by ______ bond.