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Well its just that you try each organic vompound with 8 molecules of oxygen and see if it will be balanced or not.
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Chemistry doubt-
View attachment 32892
The answer is D, how come?
Chlorine is bubbled at anode so it should be red and at anode colourless at cathode since it is hydrogen??! 2009 winter-paper 12
I agree with you. It should be C. It says concentrated aqueous sodium Chloride....because it's aqueous hydrogen should be discharged at the Cathode,and hum Chlorine at the anode. What year is this? is it May/june 2009??
Chemistry doubt-
View attachment 32892
The answer is D, how come?
Chlorine is bubbled at anode so it should be red and at anode colourless at cathode since it is hydrogen??! 2009 winter-paper 12
how do we mark the correct option on the mcq answer sheet......do we circle or do we shade??? also do v use a pencil or a pen to do that... plz help
how do we mark the correct option on the mcq answer sheet......do we circle or do we shade??? also do v use a pencil or a pen to do that... plz help
Physics-
Which form of energy is used to generate electrical energy in a tidal power station?
A chemical energy
B gravitational energy
C internal energy (thermal energy)
D nuclear energy
Please explain and thanks a tonne!
I am not sure if we circle or shade in the MCQ paper sheet but I'm SURE that you have to use a PENCIL .
How can a straight wire produce a Magnetic field?
If current flows through a wire, it aligns the magnetic domains within the wire, making the wire develop a magnetic field.
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