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A level Biology: Post your doubts here!
Varies from person to person, like u find bio easier -
A level Biology: Post your doubts here!
Don't worry and hope for the best...happened with my maths P1 this tym...I thought I could easily ace it but sadly couldn't perform well -
A level Biology: Post your doubts here!
Maybe then it's option B Btw which one is the right option? -
A level Biology: Post your doubts here!
Hahahaha:D Physics is better than the others -
A level Biology: Post your doubts here!
Whyyy??:unsure: Didn't ur p2 go well? -
Chemistry: Post your doubts here!
Can someone plz explain statement 2 and 3? How is 2 wrong? -
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Chemistry: Post your doubts here!
But atleast it has SOME paired electrons, which makes the statement correct -
Chemistry: Post your doubts here!
J is sulfur which has 6 electrons in its outer shell...2s and 4p so 1p orbital has 2 electrons -
Chemistry: Post your doubts here!
For 9, the bonds being broken are 1 C=C and 1 H-Br and those forming are 1 C-C, 1 C-H and 1 C-Br Enthalpy change = +610 +366 -350 -410 -280 = -64 -
Chemistry: Post your doubts here!
At 1200, the bond is C-O At 3400, it is O-H and since there is no other absorption mentioned, so it can not be a carboxylic acid, therefore, its just an alcohol according to the formula, there are 4 isomers -
A level Biology: Post your doubts here!
Carbonic anhydrase is only present in RBCs so in order to form CO2 from hydrogen carbonate ions, the ions must first diffuse into RBCs -
Chemistry: Post your doubts here!
So we can make anything out of it, right? -
A level Biology: Post your doubts here!
Same here:p Chem mcqs are much more logical than those silly bio ones:confused: -
A level Biology: Post your doubts here!
Why is D wrong for both of them? -
A level Biology: Post your doubts here!
Time is the biggest issue in them but practice can surely make everything perfect! Just do as many papers as u can till the exam day and try to learn from ur mistakes...look through every mcq in detail and know the reasons behind the other options being wrong -
A level Biology: Post your doubts here!
No no you need to take the tym BETWEEN the two intervals so first subtract the time at 2 from 1 to get the time bw the two and similarly for 3 and 4 and finally add them