3o is (B) B'cuzPHYSICS doubt - http://papers.xtremepapers.com/CIE/Cambridge International O Level/Physics (5054)/5054_s11_qp_11.pdf
Question 30 and 33. Please help!!
it's open So 3+3 =6 Ohms
6v/6ohms =1 A
when it's closed 6/3 =2 A
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3o is (B) B'cuzPHYSICS doubt - http://papers.xtremepapers.com/CIE/Cambridge International O Level/Physics (5054)/5054_s11_qp_11.pdf
Question 30 and 33. Please help!!
https://www.xtremepapers.com/community/threads/chemistry-for-you-3.23119/Asalam Mualakum Everyone,
I will be taking my IGCSE's in May/June 2013. Regarding chemistry and polymers what should i study ?? My teacher is not very helpful, I need your kind help and support. Are there and pdf notes for polymers??? I really need them.. and what else should i study for polymers ?? thank u....looking forward to your help.
Hey thanks!3o is (B) B'cuz
it's open So 3+3 =6 Ohms
6v/6ohms =1 A
when it's closed 6/3 =2 A
Sorry, but can you explain question 33... i still dont get it!nita , physics
30- A
as you have two resistors in series total resistance = u add them up
V=IR , 6=X6 X=1 and the switch wont have any affect because its placed in a wrong way
33-B
because current behaves oppositely as magnets ! because they produce magnetic fields
the three most essential elements that make up a carbohydrate are Carbon hydrogen and oxygen. which is present in glucose but not in alcohol which makes glucose an element of carbohydrate.Question-
Explain why ethanol is not a carbohydrate but glucose is?
Can anyone help?
butan-1-ol does not have a double bond from between two carbon atoms but ethane-1,2-diol has a double bond between carbon atoms so it can from polymers by addition polymerisation.Question- Suggest an explanation why butan-1-ol cannot form long polymer molecules but ethane-1,2-diol can?
Thats one tough question youve got thereHello...I have a chemistry question.
It is Q5b M/J 2009
http://papers.xtremepapers.com/CIE/Cambridge IGCSE/Chemistry (0620)/0620_s09_qp_3.pdf
The markscheme doesn't say much...so I'm pretty lost about this question..can you help me out?
oh.. thanks!! but can the answer also be that ethane-1,2-diol has 2 OH functional groups thats why it can form longer polymers???butan-1-ol does not have a double bond from between two carbon atoms but ethane-1,2-diol has a double bond between carbon atoms so it can from polymers by addition polymerisation.
Thanks!butan-1-ol does not have a double bond from between two carbon atoms but ethane-1,2-diol has a double bond between carbon atoms so it can from polymers by addition polymerisation.
ya ur rightoh.. thanks!! but can the answer also be that ethane-1,2-diol has 2 OH functional groups thats why it can form longer polymers???
ya im ready to helpNeed help in Chemistry ????????????????
the number denotes the place where the carbon atoms are situated (but-1-ene) means that the double bond is present between first and the second carbon atom it can be written as (butene). (but-2-ene) refers to the double bonds situated between the second and the third carbon atom. Hope u understood.what is the difference in but-1-ene and but-2-ene? Can you explain what the number in between stands for?
it cant be a transformer, coz it works on AC current. ITs a relay....Which device is designed to allow a small direct current (d.c.) to control a large direct current
(d.c.)?
A a generator
B a motor
C a relay
D a transformer
and how......
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