ICSE − Q & A

For questions asking to prove LHS=RHS,is it necessary to write theorem like Sin^2A+Cos^2=1, etc. ?
If yes where and how ?

https://www.youtube.com/watch?v=xXGfp9PKdXM...........watch its amazing ......for those who  doesn't know trignometry tables

+ 1 more questions by aswmgirl17  

can someone tell me how r u practising for maths exam ......................................
asked by Kavya Sekhar (aswmgirl17) 8 years ago
1

so how was the paper friends?

Can anyone upload the graph for boards
PLS
PLS
PLS

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+ 1 more questions by icse_kannada_world  

Notice: ICSE kannada students move to new page. www.respaper.com/icse_kannada_world
asked by ICSE ಕನ್ನಡ (Kannada) (icse_kannada_world) 8 years ago
0

(Chemistry) Give equations:
1.Lead is heated with conc.KOH solution
2.MnO2 reacts with conc.HCl 
3.Ammonia gas is heated with pure Oxygen
4.Zinc Blend is roasted
5.CuO is passed over Ammonia
6.Cl gas is passed over ethyne in the presence of a catalyst
7.KHCO3 is treated with dil.Nitric acid
8.Excess Cl is passed over Ammonia
           FAST!!!

In how many years will Rs.7500 amount to Rs.8748 at 8%p.a. interest compounded annually? (Kindly provide complete working.)

tdy geo 
question 1
answer of c(i&ii),
f(i&ii),h,j(ii)? please

any commercial studies students?

Type of coal used in iron and steel industry in india??