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CBSE Class 9 Chemistry Free Doubts and Solutions

CBSE - IX - Chemistry

The rate of diffusion of a liquid in another liquid is greater than the rate of diffusion of a solid in a liquid.Give reason?  

Asked by maengi19d 7th May 2019, 5:06 PM
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CBSE - IX - Chemistry

define compressibility

Asked by architaanpara2004 23rd April 2019, 4:41 PM
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CBSE - IX - Chemistry - Atoms and Molecules

What is the relation between celcius and Kelvin 

Asked by gangaramgourkar23 18th April 2019, 6:04 AM
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CBSE - IX - Chemistry

What is the relation between celcius and Kelvin 

Asked by gangaramgourkar23 17th April 2019, 6:34 PM
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CBSE - IX - Chemistry

How many calories and steps will be taken to convert 10 g steam at 100°C to 10g ice at  -20°C

Asked by aryantejasva 17th April 2019, 12:45 PM
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CBSE - IX - Chemistry

what is latent heat  

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CBSE - IX - Chemistry

what is sonar

Asked by firozkureshi 1st April 2019, 6:52 AM
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CBSE - IX - Chemistry

a gas fills completely in the vessel in whic it is filled. give reason.

Asked by arajeevshashank 22nd March 2019, 6:28 PM
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CBSE - IX - Chemistry

A teacher asks a science student to bring 20 moles of common salt and 20 moles of iron nail from a groceiry shop are both the bags equaly ? if not when ?

Asked by rinkuhira128 19th March 2019, 9:27 PM
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CBSE - IX - Chemistry

why size of anion is bigger than its neutral atom whereas the size of cation is smaller than its neutral atom  

Asked by ANSHUKK 15th March 2019, 7:14 PM
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