CBSE > Class 11 > Chemistry | CBSE Board | Homework Help

Three girls are standing on beach and enjoying the gift of nature. I think that they find themselves lucky of being part of this small beautiful world. They are loving it and praying to God that they should always be a part of this beautiful

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Himadri Nibu 7 years, 6 months ago

Describe the three girls standing at beach. From the lesson photograph

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Nik Parihar 7 years, 6 months ago

Why not,if i will be able to help then definitely i will help

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Himadri Nibu 7 years, 6 months ago

Can you please help me by answering my question from english

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Himadri Nibu 7 years, 6 months ago

Significant figures are meaningful digits which are known with certainty

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ANSWER

Which of the following has highest mass? 1. 1gm atom of carbon 2. 1/2 mole of Methane 3. 10ml of water 4. 3.011* 10^23 atom of oxygen

Posted by Dinesh Choodhary 7 years, 6 months ago

CBSE > Class 11 > Chemistry

0 answers

ANSWER

What is soft water

Posted by Romit Choudhary 5 years, 9 months ago

CBSE > Class 11 > Chemistry

1 answers

Vivek Kumar 7 years, 6 months ago

Soft water contains ca+ and na+ ions and it reacts when a sodium hydrogen carbonate

1Thank You

ANSWER

Hii friends can you tell me that in chemistry theory comes or numericals ..........if anybody know pleasee tell me

Posted by Mridul Yadav 7 years, 6 months ago

CBSE > Class 11 > Chemistry

3 answers

. . 7 years, 6 months ago

Numericals are based on theory but still u have to do practice on them

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Nik Parihar 7 years, 6 months ago

Basically theories are more important than numericals in chemistry.and if you know theory than you will be able to solve numericals.☺☺☺

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Nancy Rajput 7 years, 6 months ago

both are important focus on both

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ANSWER

caco3 dil hcl cao+co2 answer key for 11 science

Posted by Patel Krishna 7 years, 6 months ago

CBSE > Class 11 > Chemistry

0 answers

ANSWER

Why are atomic mass always fractional?

Posted by Charanpreet Singh 7 years, 6 months ago

CBSE > Class 11 > Chemistry

2 answers

Santhosh Raghav 7 years, 6 months ago

It doea because most elements exist as mixture of isotopes

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Santhosh Raghav 7 years, 6 months ago

It doesn't actually

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ANSWER

A piece of metal is 5 inch long . Calculate its lenght in cm.

Posted by Ritu Ranu 7 years, 6 months ago

CBSE > Class 11 > Chemistry

1 answers

John Cena 7 years, 6 months ago

12.7 cm

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ANSWER

What are the values of n and 1 for 2p orbital

Posted by Kanuu Choudhary 7 years, 6 months ago

CBSE > Class 11 > Chemistry

1 answers

Tapan Pandey 7 years, 6 months ago

n=2 and l=1

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ANSWER

What is grignart reagent

Posted by Kanuu Choudhary 7 years, 6 months ago

CBSE > Class 11 > Chemistry

1 answers

Jeet Vayeda 7 years, 6 months ago

Which is not accretive reagent which is less than limiting reagent in amount.

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ANSWER

Is there anyone from rpvv nd ngri

Posted by Ankush Sagar 7 years, 6 months ago

CBSE > Class 11 > Chemistry

0 answers

ANSWER

How to write electronic configuration of any element? (With full explanation)

Posted by Ankush Sagar 7 years, 6 months ago

CBSE > Class 11 > Chemistry

3 answers

Simant Chourasia Sp 7 years, 6 months ago

Read aabout ufbau principle, shells, and orbit. This topic will help u to write electronic configuration.

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. . 7 years, 6 months ago

Watch videos related to it on you tube , it may help u to understand clearly

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Santhosh Raghav 7 years, 6 months ago

First know about the shells

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ANSWER

What is limiting reagent ? Explain with an example.

Posted by Suchismita Priyadarshini Dash 7 years, 6 months ago

CBSE > Class 11 > Chemistry

0 answers

ANSWER

Why do carbon form multiple bonds

Posted by Gairika Saha 7 years, 6 months ago

CBSE > Class 11 > Chemistry

1 answers

Utkarsh Mishra 7 years, 6 months ago

Due to its versatile nature

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ANSWER

What is the difference betweeen atomic n.o and mass n.o

Posted by Anjali K 7 years, 6 months ago

CBSE > Class 11 > Chemistry

2 answers

Suchismita Priyadarshini Dash 7 years, 6 months ago

Atomic number means number of protons we say usually but also electrons and mass number means sum of protons + sum of neutrons.

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Tapan Pandey 7 years, 6 months ago

Atomic number is the number of protons and electrons while mass number is the sum of number of protons and neutrons

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ANSWER

What is SI uint of Temperature

Posted by Parsanjeet Gatuam 7 years, 6 months ago

CBSE > Class 11 > Chemistry

4 answers

Suchismita Priyadarshini Dash 7 years, 6 months ago

Celcius and Kelvin

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Tapan Pandey 7 years, 6 months ago

Kelvin

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Simant Chourasia Sp 7 years, 6 months ago

Kelvin

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Suraj Chowdhury 7 years, 6 months ago

Kalvin

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ANSWER

1litre of a gas at STP weighs 1.97 gram. What is the vapour density of the gas ?

Posted by Soni Singh 7 years, 6 months ago

CBSE > Class 11 > Chemistry

1 answers

. . 7 years, 6 months ago

22.4×1.97

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ANSWER

Common salt with impurities of Magnesium chloride is

Posted by Pragya Kumari 7 years, 6 months ago

CBSE > Class 11 > Chemistry

0 answers

ANSWER

Is anyone here to chat

Posted by Divyansh Tripathi 7 years, 6 months ago

CBSE > Class 11 > Chemistry

8 answers

H!Mαη$Hμ Ұαδαυ ✔️ 7 years, 6 months ago

I am also from HR

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Priya Sangwan 7 years, 6 months ago

I m also from haryana

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Akshit Saini 7 years, 6 months ago

M from haryana nd u

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Akshit Saini 7 years, 6 months ago

Hyy

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Priya Sangwan 7 years, 6 months ago

From where are u

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Priya Sangwan 7 years, 6 months ago

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Parth Joshi 7 years, 6 months ago

Hy also l am free

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Priya Sangwan 7 years, 6 months ago

Yes

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ANSWER

Electronic configuration of all elements

Posted by Muzammil Shaikh 7 years, 6 months ago

CBSE > Class 11 > Chemistry

1 answers

. . 7 years, 6 months ago

U have to learn atomic. No. Of elements and then learn the way of writing electronic configuration.

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ANSWER

Find the mass in gm of 5 atoms of He

Posted by Aman Kumar Singh 7 years, 6 months ago

CBSE > Class 11 > Chemistry

1 answers

Tapan Pandey 7 years, 6 months ago

10gm

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ANSWER

difference between bonding and antibonding molecular orbital

Posted by Shivani Jha? 7 years, 6 months ago

CBSE > Class 11 > Chemistry

2 answers

Shivani Jha? 7 years, 6 months ago

Thanks vanisha

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Vanisha Meena 7 years, 6 months ago

Bonding ? Bonding molecular orbitals are a type of molecular orbitals that are involved in the formation of a chemical bond . ?Electron density is higher. ?Electron is comparatively lower . Antibonding ?Antibonding molecular orbital are orbital containing Electron outside the region between two atomic nuclei . ?Electron density is lower . ?Electron is comparatively higber.

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ANSWER

Calculate the amount of carbon dioxide that could be produced when 1)1 mole of carbon is burnt in 16g of dioxygen 2)2 moles of carbon are burnt in 16g of dioxygen

Posted by Dushyant Pandit 7 years, 6 months ago

CBSE > Class 11 > Chemistry

1 answers

Tapan Pandey 7 years, 6 months ago

1. 22gm and 2. 22gm because dioxygen is a limiting reagent

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ANSWER

In the combustion of methane what is limiting reactant and why

Posted by Priya Sangwan 7 years, 6 months ago

CBSE > Class 11 > Chemistry

1 answers

Tapan Pandey 7 years, 6 months ago

Here oxygen is limiting reagent because CH4 react with 2O2

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ANSWER

What is stoichiometric?

Posted by Yash Kumar Sisodia Sisodia 7 years, 6 months ago

CBSE > Class 11 > Chemistry

2 answers

Tapan Pandey 7 years, 6 months ago

It is a type of balanced chemical reaction from which we can get information about mole's, number of molecules, volume and weight of the reactant and product.

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Shruti Jha 7 years, 6 months ago

It is a calculation of masses of reactant and product in any chemical reaction.☺☺

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ANSWER

Determine the caffine in tea samples

Posted by Aniket Singh 7 years, 6 months ago

CBSE > Class 11 > Chemistry