ECAT Pre Engineering Chemistry Chapter 4 MCQ Test With Answer

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Aqsa Noreen Queen 16 - Oct - 2024 02 Min 02 Sec 120/120
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Mirza Sibgha 03 - Jul - 2024 02 Min 47 Sec 115/120
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Abdullah Zubair 18 - Dec - 2024 02 Min 49 Sec 115/120
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Umar Saeed 21 - Jul - 2024 02 Min 13 Sec 110/120
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HUSNAIN AHMAD 04 - Jun - 2024 03 Min 50 Sec 110/120
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M Umer Arain 06 - Nov - 2024 00 Min 08 Sec 105/120
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Riyaz Deenari 27 - Jun - 2024 02 Min 34 Sec 105/120
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NFRNG GAMING 06 - Jun - 2024 02 Min 48 Sec 105/120
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Bazan 04 - Jul - 2024 04 Min 10 Sec 105/120
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Kaleem Shahzad 08 - Oct - 2024 06 Min 24 Sec 105/120

ECAT Chemistry Chapter 4 Important MCQ's

Sr.#	Question	Answer
1	Polypeptide chains are coiled about one another into a spiral by:	A. Ionic bonds B. Covalent bonds C. Van der Waal's forces D. Hydrogen bonds
2	Chloroform and acetone are soluble in each other due to:	A. Instantaneous dipole interactions. B. Dipole-dipole interactions. C. Inter molecular hydrogen bonding. D. All of above
3	Force of attraction b/w atoms of He is :	A. London dispersion forces B. Hydrogen bonding C. Coordinate covalent bond D. Covalent bond
4	Which of the following is a pseudo solid?	A. CaF₂ B. Glass C. NaCL D. All
5	Hydrocarbon molecules with large chain lengths experience	A. Weaker attractive forces B. Stronger attractive forces C. Repulsive forces D. No attractive forces
6	A liquid on evaporation causes	A. Heating effect B. Cooling effect C. Suffication D. All of above
7	Heat of vapourization for liquids with strong dipole-dipole forces will have	A. Negligible Values B. Reasonably high values C. Very high values D. very low values
8	The gases can be converted into liquids by	A. increasing the pressure only B. Lowering temperature and increasing pressure C. Increasing pressure and bringing temperature below critical point D. Lowering temperature only
9	The intermolecular forces in liquids are	A. Negligible B. Very weak C. Very strong D. Reasonably strong
10	The boiling point of NH₃is maximum among the hydrides of group V elements due to	A. Enhanced electronegative character of Nitrogen B. Pyramidal structure of NH₃ C. Very small size of Nitrogen D. Enhanced electropositive character of Nitrogen

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ECAT Pre Engineering Chemistry Chapter 4 MCQ Test With Answer

MCQ's Test For ECAT Chemistry Chapter 4 Liquids & Solids

ECAT Chemistry Chapter 4 Liquids & Solids

H2S is a gas which H2O is liquid at room temperature. it is due to

Rate of evaporation and rate of condensation at equilibrium:

The boiling point of NH3 is maximum among the hydrides of group V elementsdue to:

The only forces are London dispersion forces among the

In a group on going downward, polarizability generally

Rate of evaporation and rate of condensation at equilibrium

H2S is a gas while H2O is a liquid at room temperature. It is due to:

Which of the following liquids has low vapour pressure at 25°C:

Force of attraction between atoms of He is

Polypeptide chains are coiled about one another into a spiral by

Escape of high energy molecules from the surface of a liquid is called

Debye forces are present in one of the following pairs

Evaporation of water is possible at:

The density of water decreases, when it is freezed at 0oC because of

The molecules of CO2in dry ice from the

Diamond is a bad conductor because:

A liquid on evaporation causes

Trend of boiling point of halogens from fluorine to Iodine is that it

Debye forces are present in on of the following pairs:

London dispersion forces are alos called:

The boiling point of NH3is maximum among the hydrides of group V elements due to

HF has exceptionally low acidic strength due to:

The molecules of CO2 in dry ice from the :

Amorphous solids

The gases can be converted into liquids by

The strongest forces are

Escape of high energy molecules from the surface of liquid is called:

Polypeptide chains are coiled about one another into a spiral by:

Which of the following liquids has low vapor pressure at 25°C:

The intermolecular forces in liquids are

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Top Scorers Of ECAT Chemistry Chapter 4 Liquids & Solids MCQ`s Test

ECAT Chemistry Chapter 4 Important MCQ's

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H₂S is a gas which H₂O is liquid at room temperature. it is due to

The boiling point of NH_{3 is maximum among the hydrides of group V elementsdue to:}

H₂S is a gas while H₂O is a liquid at room temperature. It is due to:

The density of water decreases, when it is freezed at 0^oC because of

The molecules of CO₂in dry ice from the

The boiling point of NH₃is maximum among the hydrides of group V elements due to

The molecules of CO_{2 in dry ice from the :}