CBSE > Class 12 > Chemistry | CBSE Board | Homework Help

The smallest portion of a crystal lattice which is when repeated in different direction gives the geometry of entire crystal lattice is called unit cell.

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Sheetal Wankhede 8 years ago

Bhai bs kr le paper ho gya ab....

2Thank You

Trashti Gupta 8 years ago

It is repeating unit of crystal lattice

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H+ ions

Posted by Naitik Gupta 8 years ago

CBSE > Class 12 > Chemistry

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Polymer

Posted by Piyush Sharma 8 years ago

CBSE > Class 12 > Chemistry

0 answers

ANSWER

Henrys law

Posted by Nihal Haris 8 years ago

CBSE > Class 12 > Chemistry

4 answers

Gullu Verma 8 years ago

Partial pressure of any component is directly proportional to mole fraction of that component

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Maths Topper Girl 8 years ago

p =Khx

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Maths Topper Girl 8 years ago

The partial pressure of the gas in vapour phase is proportional to the mole fraction of the gas in the solution

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Harsh Baghel 8 years ago

It syates that,'at a constant temp.the solubility of a gas in liquid is directly proportional to the partial pressure of the gas.

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Among the hydrides of group 15 element which have lowest boiling point,maximum basic character,highest bond angle,maximum reducing character

Posted by Sadhana Chaurasiya Ruhi 8 years ago

CBSE > Class 12 > Chemistry

1 answers

Sweety Sharma 8 years ago

Ph3; nh3;nh3 ,bih3

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If we have 5g of water and 10g of alcohol which is solvent

Posted by Maths Topper Girl 8 years ago

CBSE > Class 12 > Chemistry

7 answers

Ritu Gupta 8 years ago

Solvent will be that which is less volatile

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Maths Topper Girl 8 years ago

Water is correct answer because water is universe solvent

1Thank You

Rahul Chauhan 8 years ago

Alcohol bc solvent present in lrge amount

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Maths Topper Girl 8 years ago

Water is correct answer

1Thank You

Maths Topper Girl 8 years ago

Why alcohol is the answer

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Samu Dr 8 years ago

Or else tell the answer

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Samu Dr 8 years ago

Alcohol

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ANSWER

Do anyone have chemistry boards exam (2018) solutions???...If yes?..then plz provide it or just provide a link to site where it is available?...

Posted by Mallika Anand 8 years ago

CBSE > Class 12 > Chemistry

4 answers

Tehrim Rockstar 8 years ago

meritnation app download kr ke dekho mil jega

1Thank You

Mallika Anand 8 years ago

But I m unable to find any solu at meritnation!...can u plz send me a link?,!!

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Aryan Shukla 8 years ago

Meritnation

4Thank You

Deepak Kumar 8 years ago

On YouTube

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ANSWER

Kya chemistry ka exam up ncr me bhi leah hua h?

Posted by Rahul Chauhan 8 years ago

CBSE > Class 12 > Chemistry

3 answers

Rahul Chauhan 8 years ago

Dwaravhoge na phir

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Deepak Kumar 8 years ago

Vise enquiry chal rahi h

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Deepak Kumar 8 years ago

Kya karoge janker jo ho gaya so gaya

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Kya che exam uttar pradesh me ncr me leak hua tha? Tell me.....plz

Posted by Rahul Chauhan 8 years ago

CBSE > Class 12 > Chemistry

4 answers

Sumit Gupta 8 years ago

Kya sahi mein up main paper leak hua hai kya pr khan

1Thank You

Rahul Chauhan 8 years ago

Koi to batao

2Thank You

Rahul Chauhan 8 years ago

Bhai real me up me leak hua h?

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Ashutosh Singh 8 years ago

Hmm

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.76 gm of silver salt of dibasic organic acid on heating produces .54 gm of silver then calculate molecular weight of silver

Posted by Abhi Singh 8 years ago

CBSE > Class 12 > Chemistry

0 answers

ANSWER

.894 gm of chloroplatinate of diacidic base on heating produces .2925 gm of platinum then calculate molecular weight of base

Posted by Abhi Singh 8 years ago

CBSE > Class 12 > Chemistry

0 answers

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how was your paper

Posted by Rikshesh Dhiman 8 years ago

CBSE > Class 12 > Chemistry

0 answers

ANSWER

State the 4 properties of charge

Posted by Dhruuv Dodia 8 years ago

CBSE > Class 12 > Chemistry

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Analysis shows that FeO has a non stoicheo metric fomposition with formula Fe0.95. Give reason

Posted by Viresh Manikpuri 8 years ago

CBSE > Class 12 > Chemistry

2 answers

Nirmal Tepan 8 years ago

bcoz some fe2+ions are replaced byfe3+

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H K 8 years ago

Due to metal deficiency defect

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ANSWER

Structure of HClO3

Posted by Shruti Agarwal 8 years ago

CBSE > Class 12 > Chemistry

2 answers

H K 8 years ago

Center me cl aur teen oxygens se attach karna phi ek oxygen se H ko attach karna tha

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Jin Kazama 8 years ago

HClO4 ki to good pr iska nhi pata ???

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ANSWER

What is the significance of 10H2O in a substance

Posted by Arun Kumar 8 years ago

CBSE > Class 12 > Chemistry

0 answers

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Plz Cbse guide walo question papers keep answer send kr doo

Posted by Anshika Pragya 8 years ago

CBSE > Class 12 > Chemistry

2 answers

Anshika Pragya 8 years ago

I am talking about the board papers which are going on

1Thank You

K Gopika 8 years ago

They provide with answers

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ANSWER

Chemical kinetics Me jo activation energy find krni thi uska answer kya tha??

Posted by Anshika Pragya 8 years ago

CBSE > Class 12 > Chemistry

3 answers

K Gopika 8 years ago

You people will never allow others to rest in peace! :)

2Thank You

K Gopika 8 years ago

No I got as some 5 digit number starting form 4

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Tamanna Yadav 8 years ago

Mera kuch 60986.567 aisa tha

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ANSWER

Selective catalyst

Posted by Shivanshu Yadav 8 years ago

CBSE > Class 12 > Chemistry

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Agar koi student 2-3 marks se fail ho rha ho toh kya cbse pass kar dega uss ko??

Posted by Harshit Tewari 8 years ago

CBSE > Class 12 > Chemistry

1 answers

K Gopika 8 years ago

No way. Do things which could make you do well. Don't be like this. Humble request to not to spread negatively. I suggest you please go and search in quora #onGoogle

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Today class12 exam 2018 board complete

Posted by Nikhil Prasad 8 years ago

CBSE > Class 12 > Chemistry