Physics, Chemistry and Biology: Post your doubts here!

[Nita Mahajan]

Hey can u please help me in simple electric cell??

 

[smart_boy]

Can anyone please tell me how to exactly define digital and analogue, in electronics..???

 

[somya]

In analog technology, a wave is recorded or used in its original form. And in digital technology, the analog wave is sampled at some interval, and then turned into numbers that are stored in the digital device....

 

[Munni Kj]

Could anyone please explain me Faraday's law and Lenz's law with examples?

 

[somya]

Could anyone please explain me Faraday's law and Lenz's law with examples?

check out http://hyperphysics.phy-astr.gsu.edu/hbase/electric/farlaw.html

 

[Munni Kj]

check out http://hyperphysics.phy-astr.gsu.edu/hbase/electric/farlaw.html

Thankyou Sooo Muchh!!
not really in mood to study this atm... but will definitely read it tomorrw!
btw.. just scrolled down... i think its gonna help me tons!
thnks

 

[Igcse stuff]

in ppr 3 all structural formulas r asked.........u neeed to all functional groups,all links,combustion of a named hydrcarbon.differenciation between addition and condensation polymerisation.drawing monomers and polymers.hope this is helpful........

How do you define addition polym...? And condersation polymerisation? Please reply soon

 

[Tanvi Shah]

How do you define addition polym...? And condersation polymerisation? Please reply soon

In Addition Polymerization: 1. Double bonds are broken 2. Only one monomer is used 3. No molecules are eliminated eg: Starch>Natural polymer>monomer-glucose Poly(ethene)>Artificial polymer<monomer-ethene
In Condensation Polymerization: 1.No double bonds are broken 2.simple molecules like water or acid are eliminated 3. two or more different monomers are used eg: Protein>Natural polymer>monomers-amino acids Nylon<Artificial polymer< monomers- diamine and dicarboxylic acid.

Like my post if you think I helped you.

 

[sparsha.mehta]

In Addition Polymerization: 1. Double bonds are broken 2. Only one monomer is used 3. No molecules are eliminated eg: Starch>Natural polymer>monomer-glucose Poly(ethene)>Artificial polymer<monomer-ethene
In Condensation Polymerization: 1.No double bonds are broken 2.simple molecules like water or acid are eliminated 3. two or more different monomers are used eg: Protein>Natural polymer>monomers-amino acids Nylon<Artificial polymer< monomers- diamine and dicarboxylic acid.

Like my post if you think I helped you.

I agree with ur ans. but in mark scheme no examples r given fr explainning these terms...

 

[Cuffedprince A*]

Assalam-o-Alaikum.
Post your Physics, Chemistry and Biology doubts in here and members, along with me will try there best to help you out.

I need help with biology paper 1 0610

 

[sparsha.mehta]

I need help with biology paper 1 0610

Thts mcqs....as a help just go through all concepts and logic...

 

[Tanvi Shah]

I agree with ur ans. but in mark scheme no examples r given fr explainning these terms...

I was giving the examples just for understanding purposes.. obviously I noe they do not carry marks!

 

[Prathmesh Thakkar]

I was giving the examples just for understanding purposes.. obviously I noe they do not carry marks!

lolz....u strted d ppr.???

 

[Igcse stuff]

In Addition Polymerization: 1. Double bonds are broken 2. Only one monomer is used 3. No molecules are eliminated eg: Starch>Natural polymer>monomer-glucose Poly(ethene)>Artificial polymer<monomer-ethene
In Condensation Polymerization: 1.No double bonds are broken 2.simple molecules like water or acid are eliminated 3. two or more different monomers are used eg: Protein>Natural polymer>monomers-amino acids Nylon<Artificial polymer< monomers- diamine and dicarboxylic acid.

Like my post if you think I helped you.

thanks a lot

 

[Tanvi Shah]

thanks a lot

Igcse stuff your welcome..

 

[Tanvi Shah]

lolz....u strted d ppr.???

Prathmesh Thakkar... STALKER!!!!! hehhe

 

[Prathmesh Thakkar]

Prathmesh Thakkar... STALKER!!!!! hehhe

huh...???

 

[smart_boy]

In analog technology, a wave is recorded or used in its original form. And in digital technology, the analog wave is sampled at some interval, and then turned into numbers that are stored in the digital device....

That's an explanation... Can you please define the two terms, in proper language..??

 

[zain1245780]

im in need of Chem igcse theory paper notes.... HELP PLZ!

 

[zain1245780]

can anyone plz help me out with Q.6(c) of igsce chemistry theory paper oct/noc 2011? HELP ME PLZ!
http://www.xtremepapers.com/papers/CIE/Cambridge IGCSE/Chemistry (0620)/0620_w11_qp_32.pdf