NTS Chemistry Mcqs

Our collections of Multiple choice questions and answers focuses on Recent past NTS papers based on chemistry. These questions are chosen from a collection of most authoritative and best reference books on Chemistry. Our aim is to prepare an individual for competitive exams like NTS. One should practice our Mcqs to assimilate knowledge on Chemistry comprehensively.

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Computer MCQS

Sciences MCQS

1.
Cannizaros reaction takes place through the transfer of ____________________ from complex anion?

hydrogen ion

hydride ion

oxide ion

methoxide ion

Answer Discus (0)

2.
What do we call to sudden expansion of plasma ?

Avogadros law

Grahams law of diffusion

Joule Thompson effect

Daltons law of partial pressure

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3.
Which of the following option is incorrect about gases ?

All molecules move with same speed

All molecules behave independently

PV / RT = n

All gases cannot be liquefied through Linds Method

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4.
The spreading of fragrance or scent in air is due to_______________?

Diffusion

Effusion

Attraction with air

Low dsensity

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5.
Which one of the following statement is not correct about benzene ?

On hydrogenation 208 KJ/mole is liberated

C-H bond length in benzene is 1.09 A?

Molecular mass of benzene is 78.108

Resonance energy of benzene is 150.5 K Cal/mole

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6.
The molecules of CO2 in dry ice form__________________?

Ionic crystal

Covalent crystal

Molecular crystal

Any type of crystal

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7.
Which of the following is the most suitable catalyst for ammonia synthesis ?

Pt

ZnO + Cr2O3

Fe in fused mixture of Al2O3 + SiQ2 + MgO

All of the above

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8.
The cooling of molten urea by air in the tower is called______________________?

prilling

evaporation

condensation

crystallization

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9.
Ethylene epoxide treated with Grignards reagent followed by acid hydrolysis yield __________________?

primary alcohol

secondary alcohol

tertiary alcohol

dihydric alcohol

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10.
Solubility product of AgCl is 2.0 x 10-10 mol2 dm-6. Maximum Concentration of Ag+1 ions in the solution is__________________?

2.0 x 10-10 mol dm-3

1.414 x 10-5 mol dm-3

1.0 x 10-10 mol dm-3

1.0 x 10-5 mol dm-3

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11.
Which set of solutes will form a buffer when dissolved in water to make 1 litter of solution ?

0.0002M HCI

0.2 mole of NaCI with 0.2 mole of HNO3

0.4 mole of CH3COOH with 0.4 mole of NaOH

0.4 mole of NH3 with 0.2 mole of HCI

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12.
Non-stoichiometric compounds of transition elements are called___________________?

hydrates

hydrides

binary compounds

interstitial compounds

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14.
Which of the following will be acidic_____________?

propyne

1-butyne

ethyne

all of the above

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15.
If internal energy of the system is increased ____________________?

Change in state of the system is increased

Temperature of the ystem may rise

Chemical reaction may take place

All

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Engineering MCQS

General Subjects MCQS

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