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2nd March 2015 09:09 PM
Unregistered
Re: Notes of science of class 10th of CBSE chapterwise?

Quote:
Originally Posted by Unregistered View Post
why does dry HCL gas not change the colour of the dry litmus paper
Color of litmus paper changes only in presence of ions like hydrogen. And HCl could only produce those in aqueous solutions.

You're welcome. B|
14th August 2014 04:36 PM
Unregistered
Re: Notes of science of class 10th of CBSE chapterwise?

Quote:
Originally Posted by Unregistered View Post
why is circulation of blood in man known as double circulation?
because in humans blood have to pass from lungs to hear and again heart to lungs vans carries impure blood from body to lungs and artory have to carry blood from lungs to heart and heart to other parts of body because of which blood circulation in humans is known as double circulation
14th August 2014 04:22 PM
Unregistered
Re: Notes of science of class 10th of CBSE chapterwise?

Quote:
Originally Posted by Unregistered View Post
why does dry HCL gas not change the colour of the dry litmus paper
because acids react with water and form H+ ions dry hcl gas not change the colour of the dry litmus because in h+ ions are not formed so litmus paper not change the colour
22nd April 2014 10:54 PM
Unregistered
Re: Notes of science of class 10th of CBSE chapterwise?

I have one question that some times in board examination question s are not in textbooks .answer me
20th January 2014 08:36 PM
Unregistered
Re: Notes of science of class 10th of CBSE chapterwise?

Quote:
Originally Posted by Unregistered View Post
why does dry HCL gas not change the colour of the dry litmus paper
Because hydrochloroic acid form only when we mix hidrogen that isH+ in HCl.
28th October 2013 03:47 PM
Unregistered
Re: Notes of science of class 10th of CBSE chapterwise?

what do you mean by gravtion?
24th October 2013 08:59 PM
Unregistered
Re: Notes of science of class 10th of CBSE chapterwise?

sgai sample paper
25th September 2013 11:45 AM
fear786
Re: Notes of science of class 10th of CBSE chapterwise?

http://www.cbse.nic.in/curric~1/sqp_term2/SCIENCE%20X.pdf

a web site may be help u
22nd September 2013 09:29 PM
Unregistered
Re: Notes of science of class 10th of CBSE chapterwise?

chapter wise marks distribution of science-bio,chemistry, physics for sa-1
19th August 2013 03:21 PM
Unregistered
Re: Notes of science of class 10th of CBSE chapterwise?

please give me some sites which i can download 10th class cbse notes free
29th July 2013 08:13 PM
Unregistered
Re: Notes of science of class 10th of CBSE chapterwise?

please give me some websites in which we can download 10th class notes free
20th July 2013 09:25 PM
Unregistered
Re: Notes of science of class 10th of CBSE chapterwise?

why is circulation of blood in man known as double circulation?
31st March 2013 10:09 PM
Unregistered
Re: Notes of science of class 10th of CBSE chapterwise?

Give me link of blue print of science 10 th standard
8th March 2013 09:01 PM
Unregistered
Re: Notes of science of class 10th of CBSE chapterwise?

history of mandeeleev in hindi
14th February 2013 05:54 PM
Unregistered
Re: Notes of science of class 10th of CBSE chapterwise?

what do you mean by ethanol
17th November 2012 11:10 AM
Unregistered
Re: Notes of science of class 10th of CBSE chapterwise?

plz give all chapter of science note in chapterwise
26th October 2012 08:51 PM
Unregistered
Re: Notes of science of class 10th of CBSE chapterwise?

plz give all chapter of science note in chapterwise
20th October 2012 09:42 AM
Unregistered
Re: Notes of science of class 10th of CBSE chapterwise?

Please get me notes of class 10 of CBSE board for examination.
11th September 2012 04:25 PM
Unregistered
Re: Notes of science of class 10th of CBSE chapterwise?

why does dry HCL gas not change the colour of the dry litmus paper
29th August 2012 09:03 PM
Unregistered
Re: Notes of science of class 10th of CBSE chapterwise?

please give me summary of english literature of class X?
31st March 2012 04:39 PM
Rimpurajbhar
Notes of science of class 10th of CBSE chapterwise?

please provide me notes of science of class x of Cbse ,chaperwise.

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