Biology; Chemistry; Physics: Post your doubts here!

[TheStallion-Reborn]

i just DO NOT knw hw to check my answers from marking schemes. ugh! iv asked this ealier too, but I stillc an't get this A1 B1 C1 thing. Some one please help. here is the question paper http://papers.xtremepapers.com/CIE/Cambridge International O Level/Physics (5054)/5054_s12_qp_21.pdf. question 2 part b sub part 1. here is what the marking scheme says, http://papers.xtremepapers.com/CIE/Cambridge International O Level/Physics (5054)/5054_s12_ms_21.pdf. and this is what I wrote: The resistance between water and the board is equal in magnitude and opposite in direction of the force exerted by the wind to force the sail forward. How many marks do I get??

 

[TheStallion-Reborn]

well, sulpher, nitrogen and a few others also produce, but in compounds like SO4

 

[papajohn]

What is purpose of Condenser in fractional distillation?

 

[asma tareen]

to convert the evaporated vapours to the liquid

 

[..sacrifice4Revenge..]

can anyone help me..

1. Functions of the parts of brain included in syllabus.(medulla,hypothalamus etc..)

2. Can I get any practice worksheet for moles.

 

[papajohn]

to convert the evaporated vapours to the liquid

But the MS stated ''not changes vapour to liquid''

 

[asma tareen]

But the MS stated ''not changes vapour to liquid''

hmm thn i dont know

 

[TheStallion-Reborn]

can anyone help me..

1. Functions of the parts of brain included in syllabus.(medulla,hypothalamus etc..)

2. Can I get any practice worksheet for moles.

it's better tht u do. N fr moles, jst do past papers.

 

[asma tareen]

cerebral hemisphere:intelligence memory voluntary actions sensations
hypothalamus : regulation of temp osmotic pressure appetite emotions
pituitary gland : secretes a number of hormones
optic lobe : concerned with sight and movement of eyeball
cerebellum : mascular co ordination and bodily balance
medulla ablongata : rate of heart beats and breathing movements

can anyone help me..

1. Functions of the parts of brain included in syllabus.(medulla,hypothalamus etc..)

2. Can I get any practice worksheet for moles.

 

[TheStallion-Reborn]

i just DO NOT knw hw to check my answers from marking schemes. ugh! iv asked this ealier too, but I stillc an't get this A1 B1 C1 thing. Some one please help. here is the question paper http://papers.xtremepapers.com/CIE/Cambridge International O Level/Physics (5054)/5054_s12_qp_21.pdf. question 2 part b sub part 1. here is what the marking scheme says, http://papers.xtremepapers.com/CIE/Cambridge International O Level/Physics (5054)/5054_s12_ms_21.pdf. and this is what I wrote: The resistance between water and the board is equal in magnitude and opposite in direction of the force exerted by the wind to force the sail forward. How many marks do I get??

guys????????

 

[Saad Mughal]

well, sulpher, nitrogen and a few others also produce, but in compounds like SO4

They don't actually become ions, they share in an unusual way to give an overall negative charge.

 

[TheStallion-Reborn]

They don't actually become ions, they share in an unusual way to give an overall negative charge.

This HAS to be outta syllabus!

 

[Saad Mughal]

guys????????

You'll get the two marks.

 

[Saad Mughal]

This HAS to be outta syllabus!

Compound ions, SO4, NO3, NH4, they are in the syllabus buddy.

 

[..sacrifice4Revenge..]

cerebral hemisphere:intelligence memory voluntary actions sensations
hypothalamus : regulation of temp osmotic pressure appetite emotions
pituitary gland : secretes a number of hormones
optic lobe : concerned with sight and movement of eyeball
cerebellum : mascular co ordination and bodily balance
medulla ablongata : rate of heart beats and breathing movements

thnks dude,
paka na, there's nthing else except these in syllabus..?

it's better tht u do. N fr moles, jst do past papers.

thnks for the suggestion, will do frm classified

 

[asma tareen]

thnks dude,
paka na, there's nthing else except these in syllabus..?



thnks for the suggestion, will do frm classified

firstly m not a dude
secondly i think yea aik part or bhi hai its called pons uska mjy khd bhi ne pata

 

[asma tareen]

btw in mary jones pons isnt mentioned

 

[..sacrifice4Revenge..]

firstly m not a dude
secondly i think yea aik part or bhi hai its called pons uska mjy khd bhi ne pata

ach-_- Auntie*
never heard of it... so it isnt in the syllabus! Yeah!!

 

[asma tareen]

well if anyone know the function of pons do tell me

 

[..sacrifice4Revenge..]

well if anyone know the function of pons do tell me

its not... cz no teacher ever mentioned it to me and i've studied from like 3....

but I'll confirm in the evening.

thnks for the help (=