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  • 1 answers

Bakhtawar Saifi 5 years, 11 months ago

ANOMALOUS BEHAVIOR OF Li AND DIAGONAL RELATIONSHIP WITH Mg: It is observed for 3 elements of periodic table that they resemble more with their diagonal element than their same group elements. This property is named as Diagonal Relationship.
  • 2 answers

Vansh Prajapati 5 years, 11 months ago

Or do you know me i had proposed you in board exams

Vansh Prajapati 5 years, 11 months ago

Pls help me
  • 2 answers

Farhat Shaikh Shaikh 5 years, 11 months ago

Work =force × displacement cos theeta

Vikrant Narwal 5 years, 11 months ago

Work = Force × Displacement
  • 7 answers

Kunal Pandey 5 years, 1 month ago

Thank u?

Kunal Pandey 5 years, 11 months ago

Timing?

Kunal Pandey 5 years, 11 months ago

Ok

Jivisha Srivastava 5 years, 1 month ago

Stay at fine art tom

Jivisha Srivastava 5 years, 1 month ago

Please find meaning of' 'bon anniversaire' at 12pm...?

Kunal Pandey 5 years, 1 month ago

I'll wait tom on my way

Kunal Pandey 5 years, 11 months ago

?
  • 5 answers

Kunal Pandey 5 years, 11 months ago

Thanks buddy this was a new information

Farhat Shaikh Shaikh 5 years, 11 months ago

Zeolite are microporous aluminosilicate mineral commonly used as commercial absorbent and catalyst...

Farhat Shaikh Shaikh 5 years, 11 months ago

Zeolite are microporous alumino silicate main Raja Kamali e use dress

Kunal Pandey 5 years, 11 months ago

But u can take help by surffing on internet

Kunal Pandey 5 years, 11 months ago

I know but i m not sure about my answer so i can't tell u..
  • 1 answers

Kunal Pandey 5 years, 11 months ago

If i m correct then the oil dag is just a cooking oil. But i hasn't have any idea about aqua dag?
  • 2 answers

Kunal Pandey 5 years, 11 months ago

It is nothing but a mixture of Nacl and kCl

Kunal Pandey 5 years, 11 months ago

What a silly question!?
  • 3 answers

Kunal Pandey 5 years, 11 months ago

It is nothing but sodium nitrate

Kunal Pandey 5 years, 11 months ago

What a coincidence same question my sir also asked from us

Kunal Pandey 5 years, 11 months ago

Go school from road
  • 2 answers

Yogita Ingle 5 years, 11 months ago

The substance that undergo oxidation itself and reduce other is called reducing agent whereas the substance that undergo reduction itself and oxidize other is called oxidizing agent.

For example:-      CuO       + H2 -->      Cu + H2O

                   Copper Oxide  Hydrogen  Copper Water

In reaction, Cu is undergoing reduction and oxidizing hydrogen. Therefore, Cu is oxidizing agent and H is reducing agent.

Gayathri Gopal 5 years, 11 months ago

The substance which loses electrons to the other substance and gets oxidized to the higher valency state is known as reducing agent.
  • 2 answers

Ranoo Rajput 5 years, 11 months ago

When water added with the cement then it get hydrolyse to form hard mass , known as setting of cement

Shivang Thakur 5 years, 11 months ago

When gypsum present in cement is mixed with water than the cement hardens up which is known as setting of cement
  • 1 answers

Farhat Shaikh Shaikh 5 years, 11 months ago

In chemistry the colligative properties are the properties of solution that depends on theratio of number of solute particles to the ratio of number of solvent molecules in a solution.
  • 1 answers

Farhat Shaikh Shaikh 5 years, 11 months ago

Van't hoff factors is a measure of effect of solute upon colligative properties such as osmotic pressure, relative pressure ,freezing point.etc.
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  • 1 answers

Pravin Katkar 5 years, 11 months ago

Steric no. CH4 is 4 And its hybridization is Sp3
  • 9 answers

Kunal Pandey 5 years, 1 month ago

Magnus effect is nothing but a force generating by a solid spherical or cylindrical body immersed in fluid when it is in relative motion b/w body and fluid..

Kunal Pandey 5 years, 1 month ago

I think i can help u

Jivisha Srivastava 5 years, 1 month ago

You have studied fluids so help.

Jivisha Srivastava 5 years, 11 months ago

Pls explain me magnus effect!

Kunal Pandey 5 years, 1 month ago

I think so because i hasn't studied it yet

Jivisha Srivastava 5 years, 1 month ago

It's an organic reaction to pair up two aryl hallide into biaryl hallide usi g copper metal. I hope it's correct!

Kunal Pandey 5 years, 1 month ago

Sure

Jivisha Srivastava 5 years, 1 month ago

There are si many test series ,solved papers n online exams and practice sheets too in this app but still if u think it's useless then delete the app

Jivisha Srivastava 5 years, 1 month ago

I think its ullman reaction
  • 3 answers

Rohit ...... 5 years, 11 months ago

Mind se????

Aayu... A?V 5 years, 11 months ago

Aap itne atpte se questions khaa se laa rhe ho..???

Kunal Pandey 5 years, 11 months ago

Hydrogen peroxide is know as perhydrol(H2O2)
  • 1 answers

Aayu... A?V 5 years, 11 months ago

Because it has some special properties which behaves differently from other elements.It has properties of ability to form halides, 1 valence electrons, some alkali properties and in gaseous state.So it is rogue element.
  • 6 answers

Priyanka Priya 5 years, 10 months ago

Sorry for late answer!

Priyanka Priya 5 years, 10 months ago

Chemical equilibrium

Priyanka Priya 5 years, 10 months ago

What

Hemant Gurjar 5 years, 11 months ago

Equlibrium which is in motion. ex= take a glass of water put it bellow the tap. Open tap so that drop wise drop water came in glass know make same hole in glass so th drop wise drop water will came out of it . The this system is called dynamic eq..

Aayu... A?V 5 years, 11 months ago

Hey mate plzz help me

Aayu... A?V 5 years, 11 months ago

The equilibrium in which Forward rexn speed = Backward rexn speed
  • 2 answers

Jivisha Srivastava 5 years, 11 months ago

It is C6H8O7

Aayu... A?V 5 years, 11 months ago

U can search it on google bro..
  • 4 answers

Priyanka Priya 5 years, 11 months ago

The solution in which there is a negligible change of ph value, even after the addition of 1/2 drops of acid or base.

Jivisha Srivastava 5 years, 11 months ago

Mixture of a weak acid and weak base or it could be vice versa

Pawanpreet Preet 5 years, 11 months ago

a solution which resists changes in pH when acid or alkali is added to it. Is a buffer solution. Not that one

Farhat Shaikh Shaikh 5 years, 11 months ago

Buffer solution is solution consisting mixture of weak acid and conjugate base.
  • 1 answers

Yogita Ingle 5 years, 11 months ago

 

Properties

Alkaline earth metals

Alkali metals

1.

Physical properties

Comparatively harder. High melting points. Diamagnetic.

Soft, low melting points paramagnetic.

2.

Valency

Bivalent

Monovalent

3.

Electropositive nature

Less electropositive

More electropositive

4.

Hydroxides

Weak bases, less soluble and decompose on heating.

Strong bases, highly soluble and stable towards heat.

5.

Bicarbonates

These are not known in free state. Exist only in solution.

These are known in solid state.

6.

Carbonates

Insoluble in water. Decompose on heating.

Soluble in water. Do not decompose on heating (LiCO3 is an exception)

7.

Action of carbon

Directly combine with carbon and form carbides

Do not directly combine with carbon

8.

Solubility of salts

Sulphates, phosphates fluorides, chromates, oxalates etc are insoluble in water

Sulphates, phosphates, fluorides, chromates, oxides etc are soluble in water.

9.

Reducing power

Weaker as ionization potential values are high and oxidation potential values are low.

Stronger as ionization potential values are low and oxidation potential values are high

10.

Electronic configuration

Two electrons are present in the valency shall. The configuration is ns2 (bivalent)

One electron is present in the valency shell. The configuration is ns1 (monovalent) more electropositive

  • 2 answers

Dhananjay Thakur 5 years, 11 months ago

Thanks ?

Yogita Ingle 5 years, 11 months ago

The metals of group 7, 8, and 9 do not form hydrides. This region is referred as Hydride gap in modern periodic table. These metals have low affinity for hydrogen in  their normal oxidation state.

For eg.- Mn, Fe, Co, Rh, Hf, W, Os etc
 

  • 5 answers

Chirag Sharma 5 years, 11 months ago

Antonnie Lavoisier

Kavita Yadav 5 years, 11 months ago

Antonnie lavoisier

Shivangi Agrawal 5 years, 11 months ago

Antoine Lavoisier was the father of Chemistry

Yogita Ingle 5 years, 11 months ago

Chemistry is the branch of science which deals with the composition, structure and properties of matter. Antoine Laurent Lavoisier is called the father of chemistry.

Divanshu Rawat 5 years, 11 months ago

J J Bergilius
  • 1 answers

Aayu... A?V 5 years, 11 months ago

If any of the factors that determine the equilibrium condition, of a system is changed, the system will move in such a direction so that effect of change is reduced or nullified
  • 2 answers

Yogita Ingle 5 years, 11 months ago

All liquids can evaporate at room temperature. Petrol, or gasoline, evaporates faster than most liquids because of its weak intermolecular attractions. Petrol is a mixture of hydrocarbons with the main constituent being octane, C8H18. Octane is a non-polar molecule. The only intermolecular attractions it has are weak dispersion forces. The molecules have a range of kinetic energies, and those with the most kinetic energy escape at the surface and enter the gas phase.

Farhat Shaikh Shaikh 5 years, 11 months ago

Due to weak intermolecular attraction
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  • 1 answers

Farhat Shaikh Shaikh 5 years, 11 months ago

An industrial process for obtaining sodium carbonate from limestone ammonia and brine.

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