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Ch2o

Posted by Alok Kumar 6 years, 6 months ago

Entrance Exam > JEE main > Chemistry

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1 mole=

Posted by Islam Zindabaad 6 years, 6 months ago

Entrance Exam > JEE main > Chemistry

2 answers

Ayush Mishra 6 years, 2 months ago

1 Gram atomic Mass

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Pulkit Bansal 6 years, 5 months ago

6.022×10^23

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Any reference book for jee chemistry ..?

Posted by Raj Thapa 6 years, 7 months ago

Entrance Exam > JEE main > Chemistry

1 answers

Kundan Kumar 6 years, 6 months ago

O p tandon for physical and ms chauhan for oraganic and j d lee for inorganic

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Water gas formula

Posted by Sravani Marrel 6 years, 7 months ago

Entrance Exam > JEE main > Chemistry

1 answers

Rishu Kumar 6 years, 6 months ago

CO+H2O

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How we can distinguish oxide is acidic in nature ?

Posted by Vipul Yadav 6 years, 7 months ago

Entrance Exam > JEE main > Chemistry

1 answers

Yogita Ingle 6 years, 7 months ago

An acidic oxide is an oxide which when combined with water gives off an acid.
A basic oxide is an oxide which when combined with water gives off a base.
When a substance reacts chemically, both as a base or acid it termed as an amphoteric solution.
Neutral Oxide is one which neither has an acidic characteristic or a basic one.

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Monomers of #Glyptal?

Posted by Ujjwal Kumar 6 years, 8 months ago

Entrance Exam > JEE main > Chemistry

1 answers

Miss Akanksha 6 years, 8 months ago

Ethylene glycol and phthalic acid

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The heat of solution of anhydros cuso4(s ) is _15 .9 kcl/mol ant that of cuso4 . 5 h2o (s ) is 2.8 kcl/mol calculate the heat of hydration of cuso4( g)

Posted by Mansi Prajapati 6 years, 8 months ago

Entrance Exam > JEE main > Chemistry

0 answers

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Difference between neutrino and antineutrinio

Posted by Prashant Kalawat 6 years, 10 months ago

Entrance Exam > JEE main > Chemistry

1 answers

Sia ? 4 years, 3 months ago

A neutrino has lepton number +1 and an antineutrino has lepton number -1. A neutrino is left handed (helicity -1, spin antiparallel to momentum) while an antineutrino is right handed (helicity 1, spin parallel to momentum).

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What type of defect can arise when a solid is heated?

Posted by Mateen Khan 6 years, 10 months ago

Entrance Exam > JEE main > Chemistry

1 answers

Sakshi Tripathi 6 years, 10 months ago

You can search on Google

4Thank You

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Optical isomers

Posted by Aman Kumar 6 years, 10 months ago

Entrance Exam > JEE main > Chemistry

0 answers

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How to find molecules in an atom

Posted by Ketan Thikane 6 years, 11 months ago

Entrance Exam > JEE main > Chemistry

1 answers

Kamal Karshaniya 6 years, 10 months ago

Moles × 6× 10^23

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Mole concept

Posted by Ketan Thikane 6 years, 11 months ago

Entrance Exam > JEE main > Chemistry

2 answers

Kamal Karshaniya 6 years, 10 months ago

Moles ×6×10^23

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Ketan Thikane 6 years, 11 months ago

How to find molecules in atom

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What is chemestry

Posted by Tushar Gupta 6 years, 11 months ago

Entrance Exam > JEE main > Chemistry

1 answers

G K 6 years, 10 months ago

??‍♀️.... Oh god

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A sample of clay was partially dried and then contained 508%water .the original clay contained 20%water .find %of silica in original sample (nearly)

Posted by Kundan Kumar 6 years, 11 months ago

Entrance Exam > JEE main > Chemistry

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Is this type of bonds possible? 1) CH2 -CH2 l l CH3 - CH2 - CH2 - CH - CH - CH2 -CH3 2). CH2 -CH2 l l CH3 - CH2 - CH2 - CH - CH2

Posted by Sagar Ghodke 7 years ago

Entrance Exam > JEE main > Chemistry

1 answers

Ansh Gupta 6 years, 11 months ago

Yess

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Balance the equation - Cu + Al + H2SO4 gives Al2(SO4)3 + CuSO4 +SO2 +H2O

Posted by Amarjeet Bairwa 7 years, 1 month ago

Entrance Exam > JEE main > Chemistry

0 answers

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Which sequence represent the best synthesis of hexanal ch3ch2ch2ch2ch2ch=o

Posted by Anil Bansod 7 years, 1 month ago

Entrance Exam > JEE main > Chemistry

1 answers

Kamal Karshaniya 6 years, 10 months ago

Add 2 more hydrogen on last carbon atom

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What is free bond rotation

Posted by Himanshu Tirole 7 years, 2 months ago

Entrance Exam > JEE main > Chemistry

0 answers

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How can we say that the cathode ray was actually made up of subatomic particle?????

Posted by Shivek Kumar 5 years, 5 months ago

Entrance Exam > JEE main > Chemistry

2 answers

Brajesh Kumar 7 years, 1 month ago

Because if there is no particle no movement of lighting particle from cathode to anode and cathode contain negative charge that why it move towards positive.

1Thank You

Tanuj Bhugra 7 years, 2 months ago

Alpha particle

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Cherectise of photoelectric effect

Posted by Ankit Kumar 7 years, 2 months ago

Entrance Exam > JEE main > Chemistry

1 answers

Brajesh Kumar 7 years, 1 month ago

It is the phenomenon of emissions of electron when a suitable frequency of light or wavelength strike to a metal .the emitted electron are know as photo electron and the current which is generated within circuit is known as photo electric effect

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Give the concept of galvanic cell and daniel cell how the galvanic cell converyed into daniel cell

Posted by Raunak Kumar 7 years, 2 months ago

Entrance Exam > JEE main > Chemistry

1 answers

Xyz Xyz 7 years, 1 month ago

daniel cell is a example of galvanic cell

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One mole mixture of CH4 and air (containing 80%N2 20% O2 by volume ) of a composition such that when ch4 only goes under combustion . Then find the value of X presents mole fraction of ch4

Posted by Aman Kr. Vikarn 7 years, 2 months ago

Entrance Exam > JEE main > Chemistry

0 answers

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What is glacial acetic acid? what is its melting point.

Posted by Mukesh Gaur 5 years, 5 months ago

Entrance Exam > JEE main > Chemistry

3 answers

Ashish Kumar Singh 7 years, 2 months ago

Glacial acetic acid has low freezing point its melting point is around 291k If you want to know it go through 10 science book

1Thank You

Bhaswati Roy 7 years, 2 months ago

Because acetic acid has a very low freezing point as compared to other acids so it is called glacial acetic acid

0Thank You

Dhruv Gupta 7 years, 3 months ago

In antarctic region acetic acid often freezes and become a solif Crystal thats y it is known as glaciel acetic acid its mp is 290k or 16.6 C

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What is imprical formula

Posted by Vk Kumari 7 years, 3 months ago

Entrance Exam > JEE main > Chemistry

1 answers

Bhaswati Roy 7 years, 2 months ago

Firstly it would be emperical formula.....Its is the simplest ratio of atoms in a particular compound

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How to learn crystal structre of ionic solids

Posted by Sk B 7 years, 3 months ago

Entrance Exam > JEE main > Chemistry

1 answers

Shivam Pandey 6 years, 8 months ago

Ncert

1Thank You

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How to approach for chemical reactions. ...to decide its products??

Posted by Anay Verma 7 years, 3 months ago

Entrance Exam > JEE main > Chemistry

0 answers

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Pol science

Posted by Jai Kumar 7 years, 3 months ago

Entrance Exam > JEE main > Chemistry

2 answers

Jai Kumar 7 years, 3 months ago

sheet Yudh kya hai

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Jai Kumar 7 years, 3 months ago

Bharat

1Thank You

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Resonanance

Posted by Pratik Kumar 7 years, 4 months ago

Entrance Exam > JEE main > Chemistry

0 answers

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what is chemical equation

Posted by Naaz Parveen 7 years, 4 months ago

Entrance Exam > JEE main > Chemistry

1 answers

Shivam Kumar 7 years, 2 months ago

Chemical equation is defined as the process of representing the chemical reaction by the symbols of reactants and product envolved in chemical reaction.

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The vapour pressure of water at room temperature is lowered by 5% by dissolving a solute in it then the approximate molality of solution is

Posted by Rohan Arora 7 years, 4 months ago

Entrance Exam > JEE main > Chemistry