Vapour density of a gas is 22. What is its
molecular mass? [AFMC 2000]
 (A) 33 (B) 22
 (C) 44 (D) 11

1 Answer

Answer :

(C) 44

Related questions

Description : Vapour density of a gas is 22. What is its molecular mass ?

Last Answer : Vapour density of a gas is 22. What is its molecular mass ? A. 33 B. 22 C. 44 D. 11

Description : What should be the proportion of forest cover for India to maintain her ecological balance? (1) 11.1 percent (2) 22.2 percent (3) 33.3 percent (4) 44.4 percent

Last Answer : (3) 33.3 percent Explanation: The minimum area of forests to maintain a good ecological balance has been regarded to be 33%. India lags on this front. The Green India campaign has been ... the Prime Minister for the afforestation of 6 million hectares. The current area under forests is 23%.

Description : The molecular mass of a gas is – (1) twice its vapour pressure (2) equal to its vapour pressure (3) half its vapour pressure (4) not related to its vapour pressure

Last Answer : (1) twice its vapour pressure Explanation: The molecular weight (molar mass) of any gas is the mass of one particle of that gas multiplied by Avogadro's number. It is twice its vapor pressure since ... mass of any gas is twice its density in relation to hydrogen which has 2 atoms in one molecule.

Description : The molecular mass of a gas is (1) twice its vapour pressure (2) equal to its vapour pressure (3) half its vapour pressure (4) not related to its vapour pressure 

Last Answer : twice its vapour pressure

Description : What is the LCM of 22 44 and 33?

Last Answer : LCM(22, 44, 33) = 132.

Description : A vertical column of water will be supported to what height by standard atmospheric pressure. If the Y w = 62.4lb/ft3 po = 14.7 psi.  a. 44.9 ft  b. 33.9 ft  c. 22.9 ft  d. 55.9 ft formula: ho= po/Yw

Last Answer : 33.9 ft

Description : If two compounds have the same empirical formula but different molecular formula, they must have [MP PMT 1986] (A) Different percentage composition (B) Different molecular weights (C) Same viscosity (D) Same vapour density

Last Answer : (B) Different molecular weights

Description : 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50'. What number is missing? -Riddles

Last Answer : 22

Description : Which one of the following statements about the mass spectrum of CH3Br is correct? a. the last two peaks are of equal size and occur at m/z values of 94 and 96 b. the last two peaks have abundances in the ... m/z value of 95 d. there is just one peak for the molecular ion with an m/z value of 44

Last Answer : a. the last two peaks are of equal size and occur at m/z values of 94 and 96

Description : The molecular mass of a has is – (1) twice its vapour pressure (2) equal to its vapour pressure (3) half its vapour pressure (4) not related to its vapour pressure

Last Answer : (1) twice its vapour pressure Explanation: The molecular weight (molar mass) of any gas is the mass of one particle of that gas multiplied by Avogadro's number. It is twice its vapor pressure since ... mass of any gas is twice its density in relation to hydrogen which has 2 atoms in one molecule.

Description : A solution containing 30 g of non-volatile solute exactly in 90 g of water has a vapour pressure of 2.8 kPa at 298 K. Further 18 g of water is added to this solution. The new vapour pressure ... K. Calculate (i) the molecular mass of solute and (ii) vapour pressure of water at 298 K -Chemistry

Last Answer : For a very dilute solution ∴ Molecular mass, MB = 34 g/mol.

Description : The frequency of operation of a dipole antenna cut to a length of 3.4 m. A. 88 MHz B. 44 MHz C. 22 MHz D. 11 MHz

Last Answer : B. 44 MHz

Description : A car covers a distance of 1120 metres in 1 minute whereas a bus covers a distance of 56 kms in 44 minutes. What is the ratio of their speed? a) 22:25 b) 25:22 c) 11:15 d) 15:11

Last Answer : A Speed of the Car = 1120 m/minute Speed of the bus=56 kms in 44 minutes =56/44 km/m =56000/44 m/mints Speed of the car : Speed of the bus, =1120:56000/44 =280:14000/44 =20:1000/44 =880:1000 =88:100 Required ratio =22:25

Last Answer : AFMC - Armed Forces Medical College

Description : A hydrocarbon contain `80%` C . The vapour density of compound in 30 . Molecular formula of compound is :-

Last Answer : A hydrocarbon contain `80%` C . The vapour density of compound in 30 . Molecular formula of compound is :- A. ` ... ` C. `C_(4)H_(12)` D. All of these

Description : The moment of inertia of a semi-circle of radius r with respect to a centroidal axis parallel to the diameter is a.0.33 r2 b.0.11 r2 c.0.055 r2 d.0.05 r2 e.0.22 r2

Last Answer : b. 0.11 r2

Description : Pin type insulators are generally not used for voltages beyond (a) 1 kV (b) 11 kV (c) 22 kV (d) 33 kV

Last Answer : (d) 33 kV

Description : 0.037g of an alcohol, R-OH was added to `CH_(3)MgBr` and the gas evolved measured 11.2 mL at STP. The Molecular mass of R-OH will be .

Last Answer : 0.037g of an alcohol, R-OH was added to `CH_(3)MgBr` and the gas evolved measured 11.2 mL at STP. The Molecular ... will be . A. 47 B. 79 C. 74 D. 77

Description : A bed consists of particles of density 2000 kg/m3 . If the height of the bed is 1.5 metres and its porosity 0.6, the pressure drop required to fluidise the bed by air is (A) 25.61 kPa (B) 11.77 kPa (C) 14.86 kPa (D) 21.13 kPa

Last Answer : (B) 11.77 kPa

Description : A sample of grapefruit juice at 25 degrees Celsius has a hydronium concentration of 1.78 X 10-3 molar. What is the pH of the solution? w) 2.22 x) 2.75 y) 3.25 z) 6.33

Last Answer : ANSWER: X -- 2.75

Description : A ball is dropped from a height of 2.25 m on a smooth floor and it rises to a height of 1 m after the first bounce. The coefficient of restitutions between the ball and the floor is a.107 dynes b.0.33 c.0.44 d.0.57 e.0.67

Last Answer : e. 0.67

Description : The population of Khyber Pakhtunkhwa according to 2017 Census is: A. 27 Million B. 33.44 Million C. 15.54 Million D. 30.52 Million

Last Answer : ANSWER: D

Description : KPK The population of Khyber Pakhtunkhwa according to 2017 Census is: A. 27 Million B. 33.44 Million C. 15.54 Million D. 30.52 Million

Last Answer : ANSWER: D

Description : The population of Khyber Pakhtunkhwa according to 2017 Census is: A. 27 Million B. 33.44 Million C. 15.54 Million D. 30.52 Million

Last Answer : ANSWER: D

Description : Calculate the coefficient of fluctuation of speed if maximum speed is 2500rpm and minimum speed is 1800rpm. 1. 1.44 2. 1.33 3. 0.33 4. 0.44

Last Answer : 3. 0.33

Description : If an Ethernet destination address is08:07:06:05:44:33, then this is a ______ address. A) unicast B) multicast C) broadcast D) any of theabove

Last Answer : unicast

Description : cylindrical rod subjected to a tensile strain within the elastic limit undergoes a volume change. If the volume strain is equal to half the tensile strain, then the Poisson's ratio of the rod is (A) 0 (B) 0.33 (C) 0.44 (D) 0.25

Last Answer : Option C

Description : A number consists of two digits whose sum is 8. If 8 is subtracted from the number, the digits interchange their places. The number is (1) 44 (2) 35 (3) 62 (4) 33

Last Answer : (4) 33

Description : Medium 1 is a glass (n1 = 1.5) and medium 2 is an ethyl alcohol (n2 = 1.36). For an angle of incidence of 30 degrees, determine the angle of refraction. ∙ A. 44.5 degrees ∙ B. 14.56 degrees ∙ C. 33.47 degrees ∙ D. 75 degrees

Last Answer : C. 33.47 degrees

Description : Total of the ages of P, Q and R at present is 99 years. Eight years ago, the ratio of their ages was 4: 5: 6. What is the age of Q at present a) 44 b) 30 c) 45 d) 33

Last Answer : D Let their ages 8 years ago is4x, 5x and 6x years.  4x+8+5x + 8 + 6x + 8= 99 hence x= 5 Q’s present age = (5x + 8)  =33 years

Description : 44 g of a sample of organic compound on complet combustion gives 88 g `CO_(2)` and 36 g of `H_(2)O` . The molecular formula of the compound may be :-

Last Answer : 44 g of a sample of organic compound on complet combustion gives 88 g `CO_(2)` and 36 g of `H_(2)O` . The ... . `C_(2)H_(4)O` D. `C_(3)H_(6)O`

Description : A gas is found to have the formula (CO)n. Its vapour density is 70. What must the value of n be?

Last Answer : 5

Description : What is 44.22 divided by -6.7?

Last Answer : 50.92

Description : A 30% (by volume) suspension of spherical sand particles in a viscous oil has a hindered settling velocity of 4.44 μm/s. If the Richardson Zaki hindered settling index is 4.5, then the terminal velocity of a sand grain is (A) 0.90 μm/s (B) 1 μm/s (C) 22.1 μm/s (D) 0.02 μm/s

Last Answer : (B) 1 μm/s

Description : 22.222 + 2220.2 + 202.20 + 0.0202 – 2.0022 = ? a) 2244.24 b) 2442.64 c) 2424.44 d) 2444.64 e) 2224.84

Last Answer : b) 2442.64

Description : Four equal sized maximum circular plates are cut off from a square sheet of area 784 cm2. What is the circumference of each plate? a) 22 cm b) 44 cm c) 42 cm d) 40cm

Last Answer : b) 44 cm

Description :  The average age of K and L is 48 years. If M replaced K, the average age would be 40 and if M replaced L, the average would be 44. What are the ages of K,L,M repectively? A) 58, 46, 22 B) 32, 44, 36 C) 52,44,36 D) 56, 22,38

Last Answer : Answer: C)  Total age of K& L = 48*2 = 96 yrs----->1 Total age of L& M = 40*2 = 80yrs----->2 Total age of K& M = 44*2 = 88 yrs----->3 from 1, 2, 3 K+L+M =132---->4 from 1 & 4, M= 36 from 2 & 4, K=52 from 3 & 4, L=44 Hence the required answer is 52,44,36 

Description : What would a object with a 22.6 density and 15.1 volume be in mass?

Last Answer : It would be 341.26 units of mass.

Description : If air is at pressure, p, of 3200 lbf/ft2 , and at a temperature, T, of 800 ˚R, what is the specific volume, v? (R=5303 ft-lbf/lbm-˚R, and air can be modeled as an ideal gas.)  A.9.8 ft^3/lbm  B.11.2 ft^3/lbm  C.13.33 ft^3/lbm  D.14.2 ft^3/lbm Formula: pv = RT v = RT / p

Last Answer : 13.33 ft^3/lbm

Description : At NTP , 5.6 L of a gas weight 8 g . The vapour density of gas is :-

Last Answer : At NTP , 5.6 L of a gas weight 8 g . The vapour density of gas is :- A. 32 B. 40 C. 16 D. 8

Description : A 3-phase circuit breaker is rated at 1250 A, 2000 MVA, 33 kV, 4s. Its making current capacity will be   (a) 35 kA (b) 89 kA (c) 79 kA (d) 69 kA

Last Answer : 89

Description : What are the commonest congenitally missing teeth:VERY CONTROVERSIAL BUT SEE THE SAMPLE QUESTIONS FROM ADC IT’S THE ANSWER A. 12, 22 B. 35, 45 ACC TO CAMERON C. 15, 25 D. 33, 43

Last Answer : A. 12, 22

Description : The vapour densities of two gases are in the ratio of `1 : 3 ` . Their molecular masses are in the ratio of : -

Last Answer : The vapour densities of two gases are in the ratio of `1 : 3 ` . Their molecular masses are in the ratio of : - A. ` ... `1 : 2` C. `2 : 3` D. `3 : 1`

Description : What is the total acceleration of a point on the rim of a flywheel 4 mts in diameter 0.6 see after it has started from rest if it accelarates uniformly from rest to 2000 rpm in 20 secs. a.68.9 mts/sec2 b.102.6 mts/sec2 c.78.94 mts/sec2 d.107 dynes e.33.2 mts/sec2

Last Answer : c. 78.94 mts/sec2

Description : What is the name of the new color laptop computer which is powered by a 386 processor at 33 MHz and is built by Epson? A) AX3/33 B) NEC-20 C) Magnum 2000 D) HCL-3000

Last Answer : Answer : A

Description : What is the name of the new color laptop computer which is powered by a 386 processor at 33 MHz and is built by Epson? a. AX3/33 b. NEC-20 c. Magnum 2000 d. HCL-3000

Last Answer : AX3/33

Description : What is the name of the new color laptop computer which is powered by a 386 processor at 33 MHz and is built by Epson? a. AX3/33 b. NEC-20 c. Magnum 2000 d. HCL-3000

Last Answer : a. AX3/33

Description : A three-phase, 33 kV oil circuit breaker is rated 1200 A, 2000 MVA, 3 s. The symmetrical breaking current is  (A) 1200 A (B) 3600 A (C) 35 kA (D) 104.8 kA

Last Answer : A three-phase, 33 kV oil circuit breaker is rated 1200 A, 2000 MVA, 3 s. The symmetrical breaking current is 35 kA 

Description : Which of the following is the best example of law of conservation of mass? [NCERT 1975] (A) 12 g of carbon combines with 32 g of oxygen to form 44 g of CO2. (B) When 12 g of carbon is ... mass remains unaltered. (D) The weight of a piece of platinum is the same before and after heating in air.

Last Answer : (A) 12 g of carbon combines with 32 g of oxygen to form 44 g of CO2.