Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)
On performing a borax-bead test with a given inorganic mixture for qualitative analysis, the colour of the bead was found to be emerald green both in oxidising and reducing flame.
07
Dec
On performing a borax-bead test with a given inorganic mixture for qualitative analysis, the colour of the bead was found to be emerald green both in oxidising and reducing flame. On performing a borax-bead test with a given inorganic mixture for qualitative analysis the colour of the bead was found to be emerald green both [...]
A white solid ‘A’ on heating gives off a gas which turns lime water milky. The residue is yellow when hot but turns white on cooling. This solid ‘A’ is
07
Dec
A white solid ‘A’ on heating gives off a gas which turns lime water milky. The residue is yellow when hot but turns white on cooling. This solid ‘A’ is A white solid 'A' on heating gives off a gas which turns lime water milky. The residue is yellow when hot but turns white on [...]
To an acid solution of an anion a few drops of KMnO4 solution are added. Which of the following , if present will not decolourise the KMnO4 solution
07
Dec
To an acid solution of an anion a few drops of KMnO4 solution are added. Which of the following , if present will not decolourise the KMnO4 solution if present will not decolourise the KMnO4 solution To an acid solution of an anion a few drops of KMnO4 solution are added. Which of the following [...]
Which of the following compounds, on reaction with NaOH and Na2O2, gives yellow colour (a) Zn(OH)2 (b) Al(OH)3
07
Dec
Which of the following compounds, on reaction with NaOH and Na2O2, gives yellow colour (a) Zn(OH)2 (b) Al(OH)3 gives yellow colour (a) Zn(OH)2 (b) Al(OH)3 on reaction with NaOH and Na2O2 Which of the following compounds December 7, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Power dissipated across the 8Ω in the circuit shown here is 2W. The power dissipated in watt units across the 3Ω resistor is
07
Dec
Power dissipated across the 8Ω in the circuit shown here is 2W. The power dissipated in watt units across the 3Ω resistor is Power dissipated across the 8Ω in the circuit shown here is 2W. The power dissipated in watt units across the 3Ω resistor is December 7, 2020 Category: Uncategorised (JEE Advanced Physics by [...]
The total power dissipated in watts in the circuit shown here is
07
Dec
The total power dissipated in watts in the circuit shown here is The total power dissipated in watts in the circuit shown here is December 7, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
A current of 3 amp. flows through the 2 ohm resistor shown in the circuit. The power dissipated in the 5 ohm resistor is:
07
Dec
A current of 3 amp. flows through the 2 ohm resistor shown in the circuit. The power dissipated in the 5 ohm resistor is: A current of 3 amp. flows through the 2 ohm resistor shown in the circuit. The power dissipated in the 5 ohm resistor is: December 7, 2020 Category: Uncategorised (JEE Advanced [...]
An electric kettle takes 4A current at 220V. How much time will it take to boil 1kg of water from temperature 20∘C?
07
Dec
An electric kettle takes 4A current at 220V. How much time will it take to boil 1kg of water from temperature 20∘C? An electric kettle takes 4A current at 220V. How much time will it take to boil 1kg of water from temperature 20∘C? December 7, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma [...]
In producing chlorine by electrolysis 100 kW power at 125 V is being consumed. How much chlorine per minute is liberated (E.C.E. of chlorine is 0.367 10^−6 kg/C).
07
Dec
In producing chlorine by electrolysis 100 kW power at 125 V is being consumed. How much chlorine per minute is liberated (E.C.E. of chlorine is 0.367 10^−6 kg/C). In producing chlorine by electrolysis 100 kW power at 125 V is being consumed. How much chlorine per minute is liberated (E.C.E. of chlorine is 0.367 10^−6 [...]
If voltage across a bulb rated 220 Volts,100 Watt drops by 2.5% of its rated value the percentage of the rated value by which the power would decrease is :
07
Dec
If voltage across a bulb rated 220 Volts,100 Watt drops by 2.5% of its rated value the percentage of the rated value by which the power would decrease is : 100 Watt drops by 2.5% of its rated value the percentage of the rated value by which the power would decrease is If voltage across [...]