Description : Assertion (R) `SF_(6)` is known but `SCl_(6)` is not. Reason (R) Due to small size of F.
Last Answer : Assertion (R) `SF_(6)` is known but `SCl_(6)` is not. Reason (R) Due to small size of F.
Description : Assertion:- `SF_(6)` cannot be hydrolysed but `SF_(4)` can be. Reason:- Six F atoms in `SF_(6)` prevent the attack of `H_(2)O` on sulphur atom of `SF_
Last Answer : Assertion:- `SF_(6)` cannot be hydrolysed but `SF_(4)` can be. Reason:- Six F atoms in ` ... D. Statement-I is not correct and Statement-II is correct
Description : `SF_(6)` is exceptionally stable due to
Last Answer : `SF_(6)` is exceptionally stable due to A. S - F Bond is strong B. Steric reasons C. Un Symmetrical geometry D. Exothermic compound
Description : `SCl_(4)` on hydrolysis gives:
Last Answer : `SCl_(4)` on hydrolysis gives: A. `H_(2)SO_(3)` B. `H_(2)SO_(4)` C. `H_(2)S_(2)O_(7)` D. `H_(2)S_(2)O_(8)`
Description : Assertion A: Large size stones are required in stone revetment in shore protection. Reason R: Resistance of stone to wave force is proportional to its volume and wave force is proportional to the exposed area of the stone. ... of A (C) A is true but R is false (D) A is false but R is true
Last Answer : (A) Both A and R is true and R is the correct explanation of A
Description : Assertion (A): Peggy was not cruel. Reason (R): She protected small children from bullies. (a)Both A and R are true and R is the correct explanation of A (b)Both A and R are true but R is not the correct explanation ... )A is true but R is false (d) A is false but R is true (e)Both A and R are false
Last Answer : (a)Both A and R are true and R is the correct explanation of A
Description : Assertion (A) Both rhombic and monoclinic sulphur exist as `S_(8)` but oxygen exists as `O_(2)`. Reason (R ) Oxygen forms `ppi-ppi` multiple bond due
Last Answer : Assertion (A) Both rhombic and monoclinic sulphur exist as `S_(8)` but oxygen exists as `O_ ... Statement-I is not correct and Statement-II is correct
Description : Assertion: Black soils are black in colour due to diffusion of iron in crystalline and metamorphic rocks. Reason: They develop deep cracks during hot weather Options: (a) Both A and R are true and R is the correct explanation of ... of A.(c) A is true but B is false. (d) A is false but R is true.
Last Answer : (d) A is false but R is true.
Description : Assertion (A) :Sunlight reaches us without dispersion in the form of white light and not as a component. Reason(R) : Dispersion takes place due to variation of refractive index for different wavelength but in vaccum the speed of ... of A. (c) A is true but R is false. (d) A is false but R is true.
Last Answer : (a) Both A and R are true and R is the correct explanation of A.
Description : Assertion A: Basin walls have to be of much greater height than dock walls. Reason R: Tidal basins are subject to fluctuations of levels due to tidal variations Select your answer based on the coding system given below: (A ... of A (C) A is true but R is false (D) A is false but R is true
Description : Assertion `:` Lymph is the filtered blood from capillaries, which is rich in oxygen, but devoid of RBC. Reason `:` RBC can filter out due to small dia
Last Answer : Assertion `:` Lymph is the filtered blood from capillaries, which is rich in oxygen, but devoid of RBC ... . D. If both Assertion & Reason are false.
Description : Aqueous solution of how many of the following species turn blue limtus red ? (i) `SF_(4)` (ii) `PCl_(3)` (iii) `H_(2)O` (iv) `NO_(2)Cl` (v) `SF_(6)` (
Last Answer : Aqueous solution of how many of the following species turn blue limtus red ? (i) `SF_(4)` (ii) `PCl_(3)` ( ... )` (xii) `COCl_(2)` (viii) `C Cl_(4)`
Description : Which of these statements incorrectly compare between `SF_(4)` and `SF_(6)` ?
Last Answer : Which of these statements incorrectly compare between `SF_(4)` and `SF_(6)` ? A. both molecule ... with water whereas `SF_(6)` is inert towards water
Description : Number of planar atoms in `SF_(6)` is
Last Answer : Number of planar atoms in `SF_(6)` is A. 7 B. 6 C. 5 D. 4
Description : The hybridisation of sulphur in `SF_(6)` is
Last Answer : The hybridisation of sulphur in `SF_(6)` is A. `sp^(3)` B. `d^(2)sp^(3)` C. `sp^(3)d^(2)` D. `sp^(3)d`
Description : Assertion (A): There is no reaction known for which `DeltaG` is positive, yet it is spontaneous. Reason (R ) : For photochemical reaction, `DeltaG` is
Last Answer : Assertion (A): There is no reaction known for which `DeltaG` is positive, yet it is spontaneous. ... False. D. If both Assertion & Reason are false.
Description : Assertion (A) `:` Replication and transcription occur in the nucleus but translation occurs in the cytoplasm. Reason (R ) `:` m-RNA is transferred fro
Last Answer : Assertion (A) `:` Replication and transcription occur in the nucleus but translation occurs in the ... D. If both assertion and reason are false.
Description : Assertion (A) : `beta`-particles have greater penetrating power than `alpha`-rays but less than `gamma`-rays Reason (R ) : `beta`-particles are lighte
Last Answer : Assertion (A) : `beta`-particles have greater penetrating power than `alpha`-rays but less than `gamma`-rays ... . If both (A) and (R ) are incorrect.
Description : Assertion `(A) :` In radioactive disintegrations, `._(2)He^(4)` nuclei can come out of the nucleus but lighter `._(2)H^(3)` cannot. Reason `(R) :` The
Last Answer : Assertion `(A) :` In radioactive disintegrations, `._(2)He^(4)` nuclei can come out of the nucleus but ... D. If both (A) and (R ) are incorrect.
Description : Assertion (A): Dehydration of alcohols can be carried out with Conc `H_(2)SO_(4)` but not with conc HCl Reason (R): `H_(2)SO_(4)` is dibasic while HCl
Last Answer : Assertion (A): Dehydration of alcohols can be carried out with Conc `H_(2)SO_(4)` but not with conc HCl ... R is false D. A is false but R is true
Description : Assertion A.: The minimum self cleansing velocity in the sewer, at least once a day, must be generated. Reason (R): If certain deposition takes place and is not removed, it obstructs free flow and causes further ... correct explanation of A C. A is true but R is false D. A is false but R is true
Last Answer : ANS: A
Description : Assertion A. : Discharging the effluents from the oxidation ponds just up stream of lakes or reservoirs is undesirable. Reason (R) : The discharged algae get settled in the reservoirs and cause anaerobic decomposition and other ... of A C. A is true but R is false D. A is false but R is true
Description : Assertion A.: A free board of 0.3 m is provided above the top sewage line in septic tanks. Reason (R): It helps to accommodate the scum in the septic tank. A. Both A and R is true and R is the correct ... is not a correct explanation of A C. A is true but R is false D. A is false but R is true
Description : Assertion A.: The determination of pH value of sewerage is important. Reason (R): The efficiency of certain treatment methods depends upon the availability of pH value. A. Both A and R are true and R is the ... correct explanation of A C. A is true but R is false D. A is false but R is true
Description : Assertion (A): Hydrostatic lubrication is more advantageous when compared to hydrodynamic lubrication during starting and stopping the journal in its bearing. Reason (R): In hydrodynamic lubrication, the fluid film pressure is ... (c) A is true but R is false (d) A is false but R is true
Last Answer : (b) Both A and R are individually true but R is not the correct explanation of A
Description : Assertion (A): In hydrodynamic journal bearings, the rotating journal is held in floating condition by the hydrodynamic pressure developed in the lubricant. Reason (R): Lubricant flows in a converging-diverging channel. [IES-1994] ... A (c) A is true but R is false (d) A is false but R is true
Last Answer : (a) Both A and R are individually true and R is the correct explanation of A
Description : Assertion (A): Oil as a cutting fluid result in a lower coefficient of friction. Reason (R): Oil forms a thin liquid film between the tool face and chip, and it provides 'hydrodynamic lubrication'. [IES- 2000] (a ... explanation of A (c) A is true but R is false (d) A is false but R is true
Last Answer : (c) A is true but R is false
Description : Assertion (A): In anti-friction bearings, the frictional resistance is very low as the shaft held by it remains in floating condition by the hydrodynamic pressure developed by the lubricant. [IES-2006] Reason (R): In hydrodynamic ... of A (c) A is true but R is false (d) A is false but R is true
Last Answer : (d) A is false but R is true
Description : Assertion (A): In equilibrium position, the journal inside a journal bearing remains floating on the oil film. [IES-1995] Reason (R): In a journal bearing, the load on the bearing is perpendicular to the axis of the ... explanation of A (c) A is true but R is false (d) A is false but R is true
Description : Assertion (A): In steady rotating condition the journal inside a hydrodynamic journal bearing remains floating on the oil film. [IES-2008] Reason (R): The hydrodynamic pressure developed in steady rotating conditions in journal ... A (c) A is true but R is false (d) A is false but R is true
Last Answer : (a) Both A and R are true and R is the correct explanation of A
Description : The following questions consists of 2 statements - Assertion (A) and Reason (R). Answer these questions selecting the appropriate option given below: (a) Both A and R are true and R is the correct explanation for A (b) ... explanation for A (c) A is true but R is false (d) A is false but R is true
Last Answer : (b) Both A and R are true and R is not the correct explanation for A
Description : Assertion (A): Maddie tried to prepare her lessons, but she could not put her mind on work. Reason (R): Maddie was missing the fun they used to have by teasing Wanda. (a) Both A and R are true and R is the correct ... A is true but R is false (d) A is false but R is true (e) Both A and R are false
Description : Assertion (A): Wanda did not like Peggy and Maddie. Reason (R): She made fun of them by drawing their heads on her dresses for revenge. (a) Both A and R are true and R is the correct explanation of A (b) Both A ... c) A is true but R is false (d) A is false but R is true(e) Both A and R are false
Last Answer : (e) Both A and R are false
Description : Assertion (A): There are several goods and services that society needs however private sector doesn t produce all of them. Reason (R): Private sector is profit driven. (a) Both A & R are true and R is the correct ... correct explanation of A. (c) A is true but R is false. (d) Both A & R are false.
Last Answer : (a) Both A & R are true and R is the correct explanation of A
Description : Assertion (A): Mohan is a shopkeeper who pays his taxes on time. He has employed two workers Raghu and Rakesh in his shop. He pays them well but none of the workers get paid leaves in a year. Reason (R): Rakesh ... correct explanation of A. (c) A is true but R is false. (d) Both A & R are false.
Description : Assertion (A): The development of agriculture and industry leads to the development of tertiary sector. Reason (R): As the agriculture and industrial sectors develop, the demand for storage, transport, banking, insurance, etc, increases ... A. (c) A is true but R is false. (d) Both A & R are false.
Description : Assertion(A): The process of development should not ignore environmental issues.Reason(R) : Environment- we have not inherited from our forefathers but we have borrowed it from our children. a) Both A and R are true and R ... of A. c) A is correct but R is wrong. d) A is wrong but R is correct.
Last Answer : b) Both A and R are true and R is the not correct explanation of A.
Description : Assertion(A): Per capita Income is not a useful criterion and should not be used as measure of development. Reason( R) :Kerala with lower per capita income has a better human development ranking than Haryana. a) Both A ... of A. c) A is correct but R is wrong. d) A is wrong but R is correct.
Description : Assertion (A): Money in our pocket cannot buy us all the things we need to live. Reason (R): Money cannot buy us a pollution free environment, unadulterated medicines and pollution free environment etc. a) Both A and ... of A. c) A is correct but R is wrong. d) A is wrong but R is correct.
Last Answer : a) Both A and R are true and R is the correct explanation of A.
Description : Assertion(A): High national income leads to better human Development Index Reason(R): Good health and education facilities depends on amount of money spent by govt on these facilities. a) Both A and R are true and R is ... of A. c) A is correct but R is wrong. d) A is wrong but R is correct.
Last Answer : d) A is wrong but R is correct.
Description : Assertion (A): Kerala has low infant mortality rate. Reason (R): It has adequate provisions of basic health and educational facilities. a) Both A and R are true and R is the correct explanation of A. b) Both A ... explanation of A. c) A is correct but R is wrong. d) A is wrong but R is correct.
Description : Assertion : Rainbow is an example of the dispersion of sunlight by the water droplets. Reason: light of shorter wavelength is scattered much more than light of longer wavelength (a) Both A and R are true and R is the correct ... of A.(c) A is true but R is false. (d) A is false but R is true.
Last Answer : (c) A is true but R is false.
Description : Assertion (A) : Periplaneta americana is nocturnal, omnivorous, household pest. Reason (R) : It is because it acts as scavenger. (a) A is true but R is false. (b) A is false but R is true. (c) Both ... R is correct explanation of A. (d) Both A and R are true but R is not correct explanation of A
Last Answer : (d) Both A and R are true but R is not correct explanation of A.
Description : Assertion A: For a given depth of cut, the output of a power shovel can be increased by decreasing the angle of swing. Reason R: If the angle of swing is decreased, the cycle time will be decreased. Select the ... explanation of A (C) A is true but R is false (D) A is false but R is true
Description : Assertion A: Marine structures are made specially bulky and strong. Reason R: Sea insects result in undermining of the hardest and the soundest building material Select your answer based on the coding system given below: (A) ... of A (C) A is true but R is false (D) A is false but R is true
Description : Assertion A: Depth and width required at the entrance to a harbour are more than those required in the channel. Reason R: The entrance to a harbour is usually more exposed to waves as compared to the harbour itself. ... explanation of A (C) A is true but R is false (D) A is false but R is true
Description : Assertion A: Intervention of undulations in the sea bed reduces the depth of wave at the section. Reason R: No wave can have a height greater than the depth of water through which it passes Select your answer based on ... of A (C) A is true but R is false (D) A is false but R is true
Last Answer : (A) Both A and R is true and R is correct explanation of A
Description : Assertion (A): Activity 57 is critical. Reason (R): Earliest finish time and latest finish time for events 57 are same Select the correct answer. (A) A is correct but R is not correct (B) R is correct but A is not correct (C) Both A and R is correct (D) Both A and R is incorrect
Last Answer : (A) A is correct but R is not correct
Description : Assertion A : The load factor for live load is greater than that for dead load. Reason R : The live loads are more uncertain than dead loads. Select your answer based on the coding system given below: (A) Both A ... explanation of A (C) A is true but R is false (D) A is false but R is true
Last Answer : Answer: Option A