Chemistry-
General
Easy
Question
Which of the following pairs comprises the red precipitates ?
- Ag2CrO4 and Hg2CrO4
- HgI2 and Pb2SCl2
- BiOI and Cu2 [Fe(CN)6 ]
- (A) and (B) both
The correct answer is: (A) and (B) both
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A metal salt solution forms a yellow precipitate with potassium chromate in acetic acid, a white precipitate with dilute sulphuric acid, but gives no precipitate with sodium chloride or iodide, it is :
A metal salt solution forms a yellow precipitate with potassium chromate in acetic acid, a white precipitate with dilute sulphuric acid, but gives no precipitate with sodium chloride or iodide, it is :
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physics-General
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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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The given figure shows a network of resistances and a battery.
Identify the correct statement(s)
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Identify the correct statement(s)
physics-General
physics-
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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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The equivalent resistance(s)
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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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The current through
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A conductor is made of an isotropic material and has shape of a truncated cone. A battery of constant emf is connected across it and its left end is earthed as shown in figure. If at a section distant x from left end, electric field intensity, potential and the rate of generation of heat per unit length are E, V and H respectively, which of the following graphs is/are correct?
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physics-General
