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

Atomic Mass of Iron
The Proton number Z = 26
The Neutron number N = 30
The atomic mass of the atom of an Iron molecule is 56 amu. (55.845 amu exactly)

1Thank You

ANSWER

How to convert 1u to gram

Posted by Himank Upreti 7 years, 7 months ago

CBSE > Class 11 > Chemistry

1 answers

Sarika Kamboj 7 years, 7 months ago

If we write atomic mass in gram (g) then 1u =1g

0Thank You

ANSWER

Who is a chemistry lover here? Cauz i am the one 'yeah'

Posted by Jyoti Meena 7 years, 7 months ago

CBSE > Class 11 > Chemistry

3 answers

Priyanshu Pokhariya 7 years, 7 months ago

Me ???

0Thank You

Krishan Kanhiya Baru 7 years, 7 months ago

me too

0Thank You

Sharad Gumber 7 years, 7 months ago

Me too

0Thank You

ANSWER

What is the shape of BF4- according to hybridisation

Posted by Teeli Saqib 7 years, 7 months ago

CBSE > Class 11 > Chemistry

3 answers

Shivani Jha? 7 years, 7 months ago

BF4 (tetrafluoroborate)

1Thank You

Shivani Jha? 7 years, 7 months ago

Tetrahedral

1Thank You

Jyoti Meena 7 years, 7 months ago

By the way what is BF4??? Plz tell!

2Thank You

ANSWER

What found when we acid reactcwith alcohol

Posted by Abhishek Yadav 7 years, 7 months ago

CBSE > Class 11 > Chemistry

0 answers

ANSWER

Cbse result date pls say Im worried about it

Posted by Chemistry Chemistry 7 years, 7 months ago

CBSE > Class 11 > Chemistry

6 answers

Ashutosh Garg 7 years, 7 months ago

May be she hasn't writtenwell

0Thank You

Ashutosh Garg 7 years, 7 months ago

0Thank You

Rohit Singh 7 years, 7 months ago

The result will come near about on 30th of may

1Thank You

Chemistry Chemistry 7 years, 7 months ago

I cant leave It

1Thank You

Chemistry Chemistry 7 years, 7 months ago

Each minute im in tension

0Thank You

Vishal Pathak 7 years, 7 months ago

Why u r worried??. Be confident.. If u have written everything well.. Than just say bye to tensions

1Thank You

ANSWER

Correct order of pbo2 CaO Cl2O7 SO3

Posted by Shivani Rajput 7 years, 7 months ago

CBSE > Class 11 > Chemistry

1 answers

Ashutosh Garg 7 years, 7 months ago

Use quantum number

0Thank You

ANSWER

What is the pre requisite knowledge for class 11

Posted by Dee Pika 7 years, 7 months ago

CBSE > Class 11 > Chemistry

1 answers

Vishal Pathak 7 years, 7 months ago

Pre requisite for 11??. Can u explain your ques. Briefly??

3Thank You

ANSWER

Illustrate the law of definite proportion from the data::: (i) 0.32 g of sulphur on burning in air produced 224ml of SO2 gas at N.T.P.. (ii) A metal sulphite reacts with a mineral acid to give SO2 gas which contains 50% of sulphur and 50% of oxygen.

Posted by Sarika Kamboj 7 years, 7 months ago

CBSE > Class 11 > Chemistry

0 answers

ANSWER

calculate the de-broglie wave length associated with cricket ball weighing 280g thrown at the speed of 150km/hr.

Posted by Bikash Singha 7 years, 7 months ago

CBSE > Class 11 > Chemistry

0 answers

ANSWER

What is cisplatin?

Posted by Vishal Pathak 7 years, 7 months ago

CBSE > Class 11 > Chemistry

1 answers

Sarika Kamboj 7 years, 7 months ago

Drug used in cancer therapy

0Thank You

ANSWER

What is gay lussac law

Posted by Sameer Khan 7 years, 7 months ago

CBSE > Class 11 > Chemistry

2 answers

Aman Garg 7 years, 7 months ago

but remains temperature and preesure same

1Thank You

Aman Garg 7 years, 7 months ago

when gases combined or produced from chemical reaction they do so in a simple ratio by volume

1Thank You

ANSWER

Equal vol of oxygen gas and a second gas weigh 1.00g and 19/8 grams respectively under same experimental conditions. Which is the unkown gas? (1) NO (2) SO^2 (3) CS^2

Posted by Deepshikha Meghwal 7 years, 7 months ago

CBSE > Class 11 > Chemistry

0 answers

ANSWER

What do you mean by ionisation in simple words?

Posted by Tanisha Bansal 7 years, 7 months ago

CBSE > Class 11 > Chemistry

1 answers

Shivani Jha? 7 years, 7 months ago

Formation of ion.

1Thank You

ANSWER

What is woven Tellme

Posted by Kritika Dhingra 7 years, 7 months ago

CBSE > Class 11 > Chemistry

0 answers

ANSWER

What is a node or nodal surface???????

Posted by Pihu Garsha 7 years, 7 months ago

CBSE > Class 11 > Chemistry

2 answers

Pihu Garsha 7 years, 7 months ago

Thnx

0Thank You

Aarohi Rana 7 years, 7 months ago

region where probability of density of electron is zero

1Thank You

ANSWER

demerits of bohr's model

Posted by Evvi Mishra 7 years, 7 months ago

CBSE > Class 11 > Chemistry

0 answers

ANSWER

What is carbon?

Posted by Sonu Kumar 7 years, 7 months ago

CBSE > Class 11 > Chemistry

4 answers

Chemistry Chemistry 7 years, 7 months ago

It. Is a nonmetal

0Thank You

Chemistry Chemistry 7 years, 7 months ago

It is.a non metal

1Thank You

Radhika Chaudhary 7 years, 7 months ago

It is an element whose atomic no is 6 and mass is 12u.

1Thank You

Biology Lover 7 years, 7 months ago

It,s an element.

1Thank You

ANSWER

What is the difference between molarity and molality

Posted by Pawan Kumar 7 years, 7 months ago

CBSE > Class 11 > Chemistry

2 answers

Krishan Kanhiya Baru 7 years, 7 months ago

molarity is number of moles in given volume of solution (in litre) where as molality is number of moles in given mass of solvent (in kilogram)

2Thank You

Tanishka Andotra 7 years, 7 months ago

Molarity- is no. Of moles of solute / volume of solution in litres. Molality is no. Of moles of solute / mass of solvent. Molarity- is represented by M Molality- is represented by m

2Thank You

ANSWER

What are endosperms

Posted by Sourabh Ruhal 7 years, 7 months ago

CBSE > Class 11 > Chemistry

1 answers

Gaurav Singh 7 years, 7 months ago

Plant tissue surrounds angiosperms seed

2Thank You

ANSWER

Sponge is solid or liquid?

Posted by Shivani Jha? 7 years, 7 months ago

CBSE > Class 11 > Chemistry

5 answers

Shivshant Upadhyay 7 years, 7 months ago

Solid and has many no. of pores

1Thank You

Tanishka Andotra 7 years, 7 months ago

Sponge is solid but it didn't appears because it has many air pores through with air enter inside

1Thank You

Ashtrix Official 7 years, 7 months ago

solid

0Thank You

Ishita Mangla 7 years, 7 months ago

Sponge is a solid substance and it has a number of air pores

1Thank You

Tamanna Garg 7 years, 7 months ago

Solid

2Thank You

ANSWER

Why protons are not revolving around nucleus like electrons

Posted by Abhishek Singh 7 years, 7 months ago

CBSE > Class 11 > Chemistry

2 answers

Kavya Sharma 7 years, 7 months ago

Because they are positively charged ions and nucleus is also a positive sphere so only electrons relvove around nucleus not proton

1Thank You

Gaurav Singh 7 years, 7 months ago

Because they are positively charged atoms

1Thank You

ANSWER

Is human beings are matter ?

Posted by Aaysha Jaiswal 7 years, 7 months ago

CBSE > Class 11 > Chemistry

3 answers

Amartya Kumar 7 years, 7 months ago

Yes human beings is also a matter as we all know that anything which occupy space and have mass are matter.

2Thank You

Amartya Kumar 5 years, 9 months ago

sorry this is incorrect.

0Thank You

Amartya Kumar 5 years, 9 months ago

yes.As we all know that everything present on the Earth crust is matter.

0Thank You

ANSWER

V=2πZe^2÷nh here what does v stands for

Posted by Abhinab Kr Mahato 7 years, 7 months ago

CBSE > Class 11 > Chemistry

1 answers

Abhinab Kr Mahato 7 years, 7 months ago

Velocity

1Thank You

ANSWER

Hii frnds is du college is best for commerce ??

Posted by Akshit Saini 7 years, 7 months ago

CBSE > Class 11 > Chemistry

3 answers

Pihu Garsha 7 years, 7 months ago

Yes....ofcours

0Thank You

Rohit Patel 7 years, 7 months ago

Offcourse yaar

0Thank You

Bindu Yadav 7 years, 7 months ago

Yes

1Thank You

ANSWER

Properties of cathode rays

Posted by Aman Malik 7 years, 7 months ago

CBSE > Class 11 > Chemistry

1 answers

Mohammad Haris 7 years, 7 months ago

Cathod rays travell always in stright line 2_they produce heat energy when strike to matter shws it posses kinetic energy 3-cathod rays consist of negative particle called electrone 4-cthod travell from negative to positive or cathod to anode

1Thank You

ANSWER

What amount lead sulphate is formed by the action of 0.02 mole of lead nitrate on excess of sodium sulphate?

Posted by Nandalal Sahu 7 years, 7 months ago

CBSE > Class 11 > Chemistry