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Which Of These Can A Water Purifier Not Do? (A) Remove Odour From Water(B) Remove Hardness From Water(C) Remove Unwanted Impurities From Water(D) None Of These
The correct answer is (D) None Of These Explore more such questions and answers at BYJU’S.... View ArticleWhat Happens When Copper Is Heated In The Air
When Copper(Cu) is heated in the air, it reacts with oxygen and a black compound of copper oxide is formed. Here is the balanced chemical... View ArticleWhat Is The Valency Of Cu In Cu2Cl2
The valance of copper in cuprous chloride (Cu_{2}Cl_{2}) is 1 Valency is defined as the combining capacity of an atom or a molecule. The valency... View ArticleHow Many Tetrahedral Voids Are Occupied In Diamond
Totally 50% of tetrahedral voids are occupied in the diamond. Diamond has ZnS type structure. The total number of tetrahedral voids in fcc unit... View ArticleA Bulb Emits Light Of Wavelength Λ=4500 A˚. The Bulb Is Rated As 150 Watt And 8% Of The Energy Is Emitted As Light. How Many Photons Are Emitted By The Bulb Per Second?
Energy emitted by the bulb per second = As the energy of 1 photon = = = Let the photons emitted by the bulb per second be x = =... View ArticleMomentum Is Closely Related To
Velocity is closely related to momentum. Momentum is a vector quantity defined as the product of the mass and velocity of an object. Mass (m) *... View ArticleA Spherical Ball Contracts In Volume By 0.01 % When Subjected To A Normal Uniform Pressure Of 100atm. The Bulk Modulus Of Its Material Is
As the spherical contracts in volume by 0.01% = We know that Bulk modulus 'B' is given by B = = B = Since 1atm = = B = Explore... View ArticleA Racemic Mixture Is Formed By Mixing Two
A racemic mixture is formed by mixing two enantiomers with chiral carbon having different rotations to plane polarised light. Explore more such... View ArticleAssuming The Sun To Be A Spherical Body Of Radius R At A Temperature T K, Evaluate The Total Radiant Power Incident On The Earth. (R Is The Distance Between The Sun And The Earth, R0 Is The Radius Of Earth And Σ Is Stefan’s Constant)
Assuming the sun as a perfect black body, energy radiated per sec by the sun using Stefan's law is given by the formulae: P = Where: A is... View Article
The dissociation equilibrium of a gas AB2 can be represented as: 2AB2(g) ⇌ 2AB(g) + B2(g)
The degree of dissociation is x and is small compared to 1. The expression relating the degree of dissociation x with equilibrium constant Kp and total pressure p is:
Given: 2 0 0 2(1 - x) 2x x Amount of moles at equilibrium is = 2(1 - x) + 2x + x = 2 + x = = = Since x = = Therefore,... View Article
Tension In The Rope At The Rigid Support Is G10Ms2
Sol: Given, Tension In The Rope At The Rigid Support Is g = When the man ascends up the rope with an acceleration of we have T1... View Article
Two Metallic Spheres Of Radii 1cm And 3cm Are Given Charges Of −1×10 −2 C And 5×10 −2 C, Respectively. If These Are Connected By A Conducting Wire, The Final Charge On The Bigger Sphere Is-
Sol: A conducting wire connects the given metallic spheres and the charge will flow till both the spheres acquire a common potential which is... View Article
How Can The President Vacate His Office
The President can vacate his office by addressing his resignation to the Vice-President of India Explore more such questions and answers at... View Article
A Rocket With A Liftoff Mass 35 Times 104Kg Is Blasted Upwards With An Initial Acceleration Of 10M/S 2. The Initial Thrust Of The Blast Is:
Sol: Here, the gravitational force acts upon the rocket and the thrust force accelerates the rocket. So the initial thrust of the blast =... View Article
Zone Refining Is A Method To Obtain
Zone refining is a method to obtain ultrapure metals Zone Refining is a method used for purifying crystals and impurities in the metal to obtain... View Article
If A Matrix A Is Both Symmetric And Skew-symmetric
If matrix A is both symmetric and skew-symmetric, then A is a zero matrix. Here A is a matrix that is both symmetric and skew-symmetric.... View Article
Define Oxygen Dissociation Curve Can You Suggest Any Reason For Its Sigmoidal Pattern?
The oxygen dissociation curve is a graph describing the saturation percentage of oxyhaemoglobin at various partial pressures of oxygen. This... View Article
Distilled Water Is A Good Conductor Of Electricity True Or False
The given statement is false. Distilled water is a bad conductor of electricity. This is due to the absence of all minerals in the distilled... View Article
Define Isolated Atom?
An isolated atom refers to a group of atoms that exists separately without any bonding with other atoms. Atomic physics is primarily considered... View Article
The degree of dissociation is x and is small compared to 1. The expression relating the degree of dissociation x with equilibrium constant Kp and total pressure p is: Given: 2 0 0 2(1 - x) 2x x Amount of moles at equilibrium is = 2(1 - x) + 2x + x = 2 + x = = = Since x = = Therefore,... View Article
