Chemistry-
General
Easy
Question
Statement-1 : Nessler’s reagent gives a brown precipitate with aqueous ammonia as well as with ammonium salts. Statement-2 : Aqueous ammonia gives a brown precipitate with a solution of manganese (II) chloride and hydrogen peroxide.
- Statement-1 is true, Statement-2 is true and Statement-2 is correct explanation for Statement-1
- Statement-1 is true, Statement-2 is true and Statement-2 is not correct explanation for Statement-1
- Statement-1 is true,Statement-2 is false
- Statement-1 is false, Statement-2 is true
The correct answer is: Statement-1 is true, Statement-2 is true and Statement-2 is not correct explanation for Statement-1
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chemistry-
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Statement-2 : Sodium sulphide gives black precipitate with silver nitrate solution.
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Statement-2 : Sodium sulphide gives black precipitate with silver nitrate solution.
chemistry-General
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chemistry-General
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physics-General
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A bullet of mass m and charge q is fired towards a solid uniformly charged sphere of radius R and total charge + q. If it strikes the surface of sphere with speed u, find the minimum speed u so that it can penetrate through the sphere. (Neglect all resistance forces or friction acting on bullet except electrostatic forces)
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physics-General
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A charged particle having some mass is resting in equilibrium at a height H above the centre of a uniformly charged non-conducting horizontal ring of radius R. The force of gravity acts downwards. The equilibrium of the particle will be stable
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physics-General
physics-
A particle of mass m and charge Q is placed in an electric field E which varies with time t ass 
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physics-General
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Identify the correct statement(s)
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Identify the correct statement(s)
physics-General
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Choose the correct statement(s) related to the resistance between any two points
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Choose the correct statement(s) related to the resistance between any two points
physics-General
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physics-General
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The figure shows a network of resistors and a battery. If 1A current flows through the branch CF, then answer the following questions
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physics-General
physics-
Consider the circuit shown in the figure
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physics-General
