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### Liquid hydrocarbons are can be converted to a mixture of gaseous hydrocarbons by

Liquid hydrocarbons are can be converted to a mixture of gaseous hydrocarbons by

Options

(a) oxidation (b) cracking (c) distillation under reduced pressure (d) hydrolysis

cracking

Explanation:

Cracking : The process […]

### The period of oscillation of a mass M suspended from a spring of negligible mass is T

The period of oscillation of a mass M suspended from a spring of negligible mass is T. If along with it another mass M is also suspended, the period of oscillation will now be

### The displacement of a particle along the x-axis is given by x = a sin² ?t

The displacement of a particle along the x-axis is given by x = a sin² ?t. The motion of the particle corresponds is:

Options

(a) simple harmonic motion of frquency ? / π […]

### In a buffer solution containing equal concentration of B⁻ and HB,

In a buffer solution containing equal concentration of B⁻ and HB, the Kb for B⁻ is 10⁻¹⁰.The pH of buffer solution is

Options

(a) 10 (b) 7 (c) 6 (d) 4

4

### If pH of a saturated solution of Ba(OH)₂ is 12, the value of its Ksp is

If pH of a saturated solution of Ba(OH)₂ is 12, the value of its Ksp is

Options

(a) 4.00 ˣ 10⁻⁶ M³ (b) 4.00 ˣ 10⁻⁷ M³ (c) 5.00 ˣ 10⁻⁶ M³ (d) […]

### which of the following statement is false for the properties of electromagnetic waves?

which of the following statement is false for the properties of electromagnetic waves?

Options

(a) Both electric and magnetic field vectors attain the maxima and minima at the same place and same time. […]

### A gramophone record is revolving with an angular velocity ?. A coin is placed at

A gramophone record is revolving with an angular velocity ?. A coin is placed at a distance r from the centre of the record. The static coefficient of friction is µ. The coin will resolve […]

### Two particles which are initially at rest, move towards each other

Two particles which are initially at rest, move towards each other under the action of their internal attraction. If their speeds are v and 2v at any instant, then the speed of centre of mass […]

### A galvanometer has a coil of resistance 100 ohm and gives a full-scale deflection

A galvanometer has a coil of resistance 100 ohm and gives a full-scale deflection for 30 mA current. It is to work as a voltmeter of 30 volt range, the resistance required be added will […]

### A thin ring of radius R meter has charge q coulomb uniformly spread on it

A thin ring of radius R meter has charge q coulomb uniformly spread on it. The ring rotates about its axis with a constant frequency of f revolutions/s. The value of magnetic induction in Wb/m² […]

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