The 100 Most Beautiful Words in English

The 100 Most Beautiful Words in English

Ailurophile	A cat-lover.
Assemblage	A gathering.
Becoming	Attractive.
Beleaguer	To exhaust with attacks.
Brood	To think alone.
Bucolic	In a lovely rural setting.
Bungalow	A small, cozy cottage.
Chatoyant	Like a cat's eye.
Comely	Attractive.
Conflate	To blend together.
Cynosure	A focal point of admiration.
Dalliance	A brief love affair.
Demesne	Dominion, territory.
Demure	Shy and reserved.
Denouement	The resolution of a mystery.
Desuetude	Disuse.
Desultory	Slow, sluggish.
Diaphanous	Filmy.
Dissemble	Deceive.
Dulcet	Sweet, sugary.
Ebullience	Bubbling enthusiasm.
Effervescent	Bubbly.
Efflorescence	Flowering, blooming.
Elision	Dropping a sound or syllable in a word.
Elixir	A good potion.
Eloquence	Beauty and persuasion in speech.
Embrocation	Rubbing on a lotion.
Emollient	A softener.
Ephemeral	Short-lived.
Epiphany	A sudden revelation.
Erstwhile	At one time, for a time.
Ethereal	Gaseous, invisible but detectable.
Evanescent	Vanishing quickly, lasting a very short time.
Evocative	Suggestive.
Fetching	Pretty.
Felicity	Pleasantness.
Forbearance	Withholding response to provocation.
Fugacious	Fleeting.
Furtive	Shifty, sneaky.
Gambol	To skip or leap about joyfully.
Glamour	Beauty.
Gossamer	The finest piece of thread, a spider's silk
Halcyon	Happy, sunny, care-free.
Harbinger	Messenger with news of the future.
Imbrication	Overlapping and forming a regular pattern.
Imbroglio	An altercation or complicated situation.
Imbue	To infuse, instill.
Incipient	Beginning, in an early stage.
Ineffable	Unutterable, inexpressible.
Ingénue	A naïve young woman.
Inglenook	A cozy nook by the hearth.
Insouciance	Blithe nonchalance.
Inure	To become jaded.
Labyrinthine	Twisting and turning.
Lagniappe	A special kind of gift.
Lagoon	A small gulf or inlet.
Languor	Listlessness, inactivity.
Lassitude	Weariness, listlessness.
Leisure	Free time.
Lilt	To move musically or lively.
Lissome	Slender and graceful.
Lithe	Slender and flexible.
Love	Deep affection.
Mellifluous	Sweet sounding.
Moiety	One of two equal parts.
Mondegreen	A slip of the ear.
Murmurous	Murmuring.
Nemesis	An unconquerable archenemy.
Offing	The sea between the horizon and the offshore.
Onomatopoeia	A word that sounds like its meaning.
Opulent	Lush, luxuriant.
Palimpsest	A manuscript written over earlier ones.
Panacea	A solution for all problems
Panoply	A complete set.
Pastiche	An art work combining materials from various sources.
Penumbra	A half-shadow.
Petrichor	The smell of earth after rain.
Plethora	A large quantity.
Propinquity	An inclination.
Pyrrhic	Successful with heavy losses.
Quintessential	Most essential.
Ratatouille	A spicy French stew.
Ravel	To knit or unknit.
Redolent	Fragrant.
Riparian	By the bank of a stream.
Ripple	A very small wave.
Scintilla	A spark or very small thing.
Sempiternal	Eternal.
Seraglio	Rich, luxurious oriental palace or harem.
Serendipity	Finding something nice while looking for something else.
Summery	Light, delicate or warm and sunny.
Sumptuous	Lush, luxurious.
Surreptitious	Secretive, sneaky.
Susquehanna	A river in Pennsylvania.
Susurrous	Whispering, hissing.
Talisman	A good luck charm.
Tintinnabulation	Tinkling.
Umbrella	Protection from sun or rain.
Untoward	Unseemly, inappropriate.
Vestigial	In trace amounts.
Wafture	Waving.
Wherewithal	The means.
Woebegone	Sorrowful, downcast.

MOCK TEST FOR NDA, ENGINEERING ENTRANCE EXAMINATION

MOCK TEST FOR NDA, ENGINEERING ENTRANCE EXAMINATION

1.CHEMISTRY

QUESTION NO.1

For N₂(g) + 3H₂(g) ⇌ 2NH ₃(g), H is equal to

E + 2RT

E - 2RT

E + RT

E - RT

ANSWER

We know that H = E + nRT
In the present case n = - 2
H = E - 2RT

QUESTION 2

Which of the following pairs has the highest heat of neutralisation?

NH₄OH and CH₃COOH

NH₄OH and HCl

KOH and CH₃COOH

KOH and HCl

ANSWER

Since both acid and base are strong in this case. So heat of neutralization is highest in this case.

QUESTION 3

Directions: In the following question, a statement of Assertion is given; followed by a corresponding statement of Reason just below it. Of the statement mark the correct answer as:

(a)    If both assertion and reason are true and the reason is the correct explanation of the assertion.
(b)    If both assertion and reason are true, but the reason is not the correct explanation of the assertion.
(c)    If assertion is true statement, but reason is false.
(d)    If both assertion and reason are false.

Assertion: Molar entropy of vaporisation of water is different from ethanol.
Reason: Water is more polar than ethanol.

(a)

(b)

(c)

(d)

ANSWER

Molar entropy of vaporisation of water is different from ethanol. Molar entropy is independent of polarity of the molecule.

QUESTION 4

Standard enthalpies of formations of CO2 (g), CO (g), N2O (g) and NO2(g) in kJ/mol are - 393, - 110, 81 and 34 respectively. The  value in kJ of the reaction 2NO2 (g) + 3CO (g) N2O (g) + 3CO2 (g) is

 

– 836

– 1460

1460

836

ANSWER

By using the formula:
D H for the reaction = [sum of heat of formation for products] - [sum of heat of formation for reactants]
The value comes out to be – 836 KJ

QUESTION 5

In which of the following processes, maximum increase in entropy is observed?

Melting of ice

Sublimation of naphthalene

Condensation of water

Dissolution of salt in water

ANSWER

Entropy of gaseous phase is maximum. So sublimation of naphthalene will involve maximum entropy increase.

QUESTION 6

Directions: The following question has four choices out of which ONLY ONE is correct. The enthalpy of neutralization of HCN by NaOH is - 12kJ/mol. The enthalpy of ionization of HCN is

 

- 12 KJ/ mol

69 KJ/ mol

12 KJ/ mol

- 45 KJ/ mol

ANSWER

The enthalpy of ionization of HCN is reverse of the enthalpy of neutralization of HCN. So enthalpy of ionization of HCN is 12 kJ/mol.

QUESTION 7

Directions: The following question has four choices out of which ONLY ONE is correct.

Dissolution of ammonium chloride in water is an endothermic change. At constant temperature it is accompanied by

no change in enthalpy

decrease in entropy

no change in entropy

increase in entropy

ANSWER

Entropy in liquid state is more than that in solid state. So dissolution of ammonium chloride in water is accompanied by increase in entropy.

QUESTION 8

The enthalpy of formation for C2H4(g), CO2(g) and H2O(l) at 250C and 1 atm pressure is 52, – 394, – 286 kJ mol−1 respectively. The enthalpy of combustion of C2H4(g) will be

 

− 141.2 kJ mol⁻¹

− 1412 kJ mol⁻¹

+ 141.2 kJ mol⁻¹

+ 1412 kJ mol⁻¹

^ANSWER

C₂H₄ + 3O₂ → 2CO₂ + 2H₂O = 2 x (−394) + 2 x (−286) − (52) −1360 − 52 

= −1412 kJ

QUESTION 9

Directions: The following question has four choices out of which ONLY ONE is correct. For the reaction 2H2 + O2 2H2O, H = - 571 kJ. Bond energy of H - H = 435 kJ/mol, O - O = 498 kJ/mo. Calculate the average bond energy (in kJ/mol) of O - H bond using this data.

 

484

- 484

271

- 271

ANSWER

Using the formula:
H = Energy of Bonds Broken - Energy of Bonds formed
The average bond energy (in kJ/mol) of O - H bond comes out to be 484.

QUESTION 10

The work done during the expansion of a gas from a volume of 4 dm3 to 6 dm3 against a constant external pressure of 3 atm is

 

- 6 J

- 608 J

+ 304 J

- 304 J

ANSWER

Expansion work w is given by following equation:
W = PV
= 3 atm (6 - 4 dm³)
= 3 atm (2 dm³)
= 6 L atm.
= 101.32  6 = 607.92 J
Since work is done by the system hence - 607.92 J

PHYSICS MATHS QUESTIONS WILL PUBLISHED WITHIN 1 HOUR.