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What is malleable and ductile???

Posted by Amisha Rohilla 7 years, 11 months ago

1 answers

Ductility is said to be the property of a material to stretch without getting damaged. Metals having ductile property can be stretched into wires. ... Malleability is said to be the property of a material to deform under compression. The metals having malleable property can be rolled or beaten into sheets.

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What is quarz??

Posted by Amisha Rohilla 7 years, 11 months ago

CBSE > Class 12 > Chemistry

2 answers

Kaushal Ray 7 years, 11 months ago

Quartz is a type of crystalline solid.

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Sudhanshu Saumya 7 years, 11 months ago

Quartz is a mineral composed of silicon and oxygen atoms in a continuous framework of SiO₄ silicon–oxygen tetrahedra.

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Organic chemistry can i prefer which book pleazźzz name this book

Posted by Akash Gujjar 7 years, 11 months ago

CBSE > Class 12 > Chemistry

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Is the question came from NCERT exercises, examples or from any where between our book in our board exams

Posted by Shivani Singh 7 years, 11 months ago

CBSE > Class 12 > Chemistry

1 answers

Shay J 7 years, 11 months ago

For organic chemistry mostly all questions are from NCERT exercise and in text questions, for physical and inorganic it's 70% from ncert and rest are application based .

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Chf3 is.less acidic then chcl3

Posted by Ravishankar Kumar 7 years, 11 months ago

CBSE > Class 12 > Chemistry

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Table for configuration

Posted by Sakshi Sakshi 7 years, 11 months ago

CBSE > Class 12 > Chemistry

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Refining of zinc?

Posted by Aashish Kumar 7 years, 11 months ago

CBSE > Class 12 > Chemistry

1 answers

Nitin Murali 7 years, 11 months ago

First concentrate zinc ore then reduce zinc oxide by reacting it with carbon... Which acts a good reducing agent

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Can we store AgCl solution in zinc pot

Posted by Tannu Pal 8 years ago

CBSE > Class 12 > Chemistry

1 answers

Kamal Singh Rawat 7 years, 11 months ago

In depend of reactivity of Ag. If Ag is more reactive than Zn so they store in zinc pot

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Racemic mixture is an optically inactive? Give reasons.

Posted by Kushal Jharwal 8 years ago

CBSE > Class 12 > Chemistry

1 answers

Nitin Murali 7 years, 11 months ago

Racemic mixturecontains enantiometers of opposite spin which cancel out each other making the mixture optically inactive

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calculate the molar elevation boiling point constant of a solution containing 1 gram of Urea molecular mass 60 in 75 gram water and boils at 100.114

Posted by Sarthak Kumar 8 years ago

CBSE > Class 12 > Chemistry

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Numerical kaisr solved kare air Pblockand D&F Block kaise study kare

Posted by Snub Singh 8 years ago

CBSE > Class 12 > Chemistry

1 answers

Sonal Nivsarkar 7 years, 11 months ago

P block and d block can be studied by Brett back exercise and intext question

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Organic chemistry smja do koi

Posted by Amit Kumar 8 years ago

CBSE > Class 12 > Chemistry

1 answers

Sakshi Rai 8 years ago

Are...usme samajhne ka kuchh nhi h...sari reactions likh likh ker dekho..

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Why phenols are more protonated than alcohols

Posted by Parvesh Charaya 8 years ago

CBSE > Class 12 > Chemistry

1 answers

Shruti Jain 8 years ago

Because of the stability of their resonant structure of phenols

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Wt is ferrimagnetic?

Posted by Chaithanya Mk 8 years ago

CBSE > Class 12 > Chemistry

1 answers

Sudhanshu Saumya 7 years, 11 months ago

In ferrimagnetism the dipoles are oriented oppsitely but in unequal no. so there is some net dipole moment in these substances and are hence weakly attracted by magnetic field

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What is allotropy??

Posted by Dhruv Gupta 8 years ago

CBSE > Class 12 > Chemistry

1 answers

Gurvinder Kaur 7 years, 11 months ago

Allotropy - It is a property by which an element can exist in different forms having different physical properties.

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What is paramagnetic behaviour

Posted by Dhruv Gupta 8 years ago

CBSE > Class 12 > Chemistry

1 answers

Gurvinder Kaur 7 years, 11 months ago

Substances which are weakly effected by the external magnetic field are called the paramagnetic substances. Paramagnetism is shown by such substances whose atoms or ions have unpaired electrons.
Example:
O₂, Cu + 2, Fe + 3.

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Be jine

Posted by Vishal Kumar 8 years ago

CBSE > Class 12 > Chemistry

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All India sample paper class 12

Posted by Surjeet Pal 8 years ago

CBSE > Class 12 > Chemistry

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What is neucleside and nucleotide?

Posted by Satyam Pandey 8 years ago

CBSE > Class 12 > Chemistry

1 answers

Sakshi Rai 8 years ago

Nitrogenbase +sugar=nucleoside...while nitrogenbase+suger+phasphate group=nucleotide.....

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Nucleoside

Posted by Satyam Pandey 8 years ago

CBSE > Class 12 > Chemistry

1 answers

Jyot Ghuman 8 years ago

These are those in which sugar is attached to nitrogenous bases ..

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Is ncert is enough for board exam 2018

Posted by Kaushiki Prajapati 8 years ago

CBSE > Class 12 > Chemistry

1 answers

Sonal Nivsarkar 7 years, 11 months ago

Us but plz solve paper of previous years

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What is a colliodan

Posted by Prabhjot Kaur 8 years ago

CBSE > Class 12 > Chemistry

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Why f block elements are called rare earth elements?

Posted by Karmjeet Brar 8 years ago

CBSE > Class 12 > Chemistry

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Van't hoff factor

Posted by Raj Ayush 8 years ago

CBSE > Class 12 > Chemistry

1 answers

Sakshi Rai 8 years ago

Jab kuchh aese substance completly anusankhuak guddharm.show nhi kr pate...unke lie scientist vanfhaff ne i"vanhafffactordiya....jisse formule m into kar dete h...

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Cu + HCl Write the product

Posted by Annu Gautam 8 years ago

CBSE > Class 12 > Chemistry