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Physics: Post your doubts here!
Post the MCQs you found the hardest! I want to solve them for practice :) -
Physics: Post your doubts here!
The first one was a bit tricky the others were easy. :) Do u want me to show you how I got the answers? Thanks for posting btw. -
Chemistry: Post your doubts here!
Can u plz explain Q 26 a bit more? I dont get how Oxygen "CH3CH2CO2H + CO2 --> CH3CH2CH=CH2 -" disappears and how 1 or 2 products form. -
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Chemistry: Post your doubts here!
OK so first you need to know the reactions of the period 3 oxides with water. AL2O3 does not react so optionA b are wrong. Next we react 2NaOH (which is a basic oxide and the product of reaction between oxide and H2O) with corresponding acidic oxide & balance the equations. NOTE The Q... -
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Physics: Post your doubts here!
R= pL/A and Ohms Law V=IR hence the thickest conductor has the least resistance so the smallest Voltage drop across the thickest conductor.A is answer. The potential drop with distance is represented by grad of graph so the value of the grad drop should be the smallest for the thickest... -
A fashion book lol fine nvm then...
A fashion book lol fine nvm then...- amina1300
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Physics: Post your doubts here!
Horizontally: The horizontal velocity remains same 4ms-1 Vertically: v=u+at Note : acceleration is negative. as object is falling. v=8+((-1.62)*9)= -6.58 Resultant final velocity: sqrt(ans^2+4^2 ) = 7.7 ms^-1 Anymore questions :) -
Physics: Post your doubts here!
Ok so the cyclist is moving in two dimensions - both horizontally and vertically. Since these two components of motion are independent of each other, two distinctly separate sets of equations are needed - one for the cyclist's horizontal motion and one for its vertical motion. We take Vertical... -
Can I have your notes for the organic section? I hate Organic :/
Can I have your notes for the organic section? I hate Organic :/- amina1300
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Post your questions in the Physics section I'll try to solve them.
Post your questions in the Physics section I'll try to solve them.- amina1300
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Physics: Post your doubts here!
Vertically: s=ut + 0.5at^2 2=0+10*t^2 t= 0.32 horizontally: s=ut+0.5at^2 a is 0 6/0.632 = v Answer is b -
I dont knoww... What do u need help in though ?
I dont knoww... What do u need help in though ?- amina1300
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You're a Genius!!! Any tips for how to solve MCQ papers in time?
You're a Genius!!! Any tips for how to solve MCQ papers in time?- amina1300
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Chemistry: Post your doubts here!
OMG THANKYOUUUUUUU SOO MUUCCCHH!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! -
Chemistry: Post your doubts here!
http://papers.gceguide.com/A%20Levels/Chemistry%20(9701)/9701_s15_qp_13.pdf 10 Use of the Data Booklet is relevant to this question. 1.00g of a metallic element reacts completely with 300cm3 of oxygen at 298K and 1 atm pressure to form an oxide which contains O2– ions. The volume of one mole of... -
Chemistry: Post your doubts here!
http://papers.gceguide.com/A%20Levels/Chemistry%20(9701)/9701_w15_qp_12.pdf 4 Flask X contains 5dm3 of helium at 12kPa pressure and flask Y contains 10dm3 of neon at 6kPa pressure. If the flasks are connected at constant temperature, what is the final pressure? A 8 kPa B 9kPa C 10kPa D 11kPa -
Chemistry: Post your doubts here!
Can anyone help me with these : http://papers.gceguide.com/A%20Levels/Chemistry%20(9701)/9701_w15_qp_13.pdf [Q7] Use of the Data Booklet is relevant for this question. In an experiment, the burning of 1.45g (0.025mol) of propanone was used to heat 100g of water. The initial temperature of the... -