Get a free home demo of LearnNext

Available for CBSE, ICSE and State Board syllabus.
Call our LearnNext Expert on 1800 419 1234 (tollfree)
OR submit details below for a call back

clear
searchtune
What people are asking?

Nikhil Sikka

Jun 13, 2014

what is rancidity ? write different methods of preventing rancidity .

This answer has an image. Please click on the question to read more.

Answer (2)

Raj

Apr 8, 2015

How to blance an equation ?

(i) Barium chloride + Aluminium sulphate → Barium sulphate + Aluminium chloride

barium chloride + aluminium sulphate -------...

Answer (5)

Sabu

Jun 6, 2014

"Barium chloride reacts with aluminium sulphate to give aluminium chloride and a precipitate of barium sulphate".

 (1).Translate the above statement into a chemical equation.

(2). state two types in which this reaction can be classified.

This answer has an image. Please click on the question to read more.

Answer (2)

Atharv Parker

May 13, 2015

Is burning of candle a physical change or a chemical change . why?

Physical changes:

While burning the candle the ...

Answer (2)

Sabu

Jun 6, 2014

write the chemical name and formula of bleaching powder. How is it prepared?

Ans: Chemical formula of Bleaching Powder is CaOCl2 and its Chemical name is Calcium Oxychloride.
It is Prepared by Chlorine gas over dry slaked lime. Generally this method is used in large sc...

Answer (1)

Rachit Singh Jat

Jul 22, 2015

Give some example of combination reaction?


A combination reaction is a type of reaction in which two or more elements or compounds combine with ...

Answer (3)

Nikhil Sikka

Jun 25, 2014

what change in colour is observed when white silver chloride is left exposed to sunlight ? state the type of chemical reaction in this change .also write the equation.

Answer.

When white Silver chloride exposed to sunlight it produces to black metallic colured Silver along with liberation of Chlorine gas.
2AgCl → 2Ag + Cl...

Answer (2)

P Murali Krishna

May 3, 2015

A solution reacts with crushed egg-shells  to give a gas that turns limewater milky. Identify the solution . Also give the appropriate chemical reaction.

The solution is HCl.
Egg shells contains calcium carbonate, which on reaction with HCl liberates CO2 gas whi...

Answer (1)

Abhishek

May 13, 2014

Explain electrlysis of water.

This answer has an image. Please click on the question to read more.

Answer (1)

Vidhyashivani Govindarajan

Jul 14, 2015

what is a saponification reaction ?

Answer (1)

Nikhil Sikka

Jun 13, 2014

what is rancidity ? write different methods of preventing rancidity .

This answer has an image. Please click on the question to read more.

Answer (2)

Raj

Apr 8, 2015

How to blance an equation ?

(i) Barium chloride + Aluminium sulphate → Barium sulphate + Aluminium chloride

barium chloride + aluminium sulphate -------...

Answer (5)

Sabu

Jun 6, 2014

"Barium chloride reacts with aluminium sulphate to give aluminium chloride and a precipitate of barium sulphate".

 (1).Translate the above statement into a chemical equation.

(2). state two types in which this reaction can be classified.

This answer has an image. Please click on the question to read more.

Answer (2)

Atharv Parker

May 13, 2015

Is burning of candle a physical change or a chemical change . why?

Physical changes:

While burning the candle the ...

Answer (2)

Sabu

Jun 6, 2014

write the chemical name and formula of bleaching powder. How is it prepared?

Ans: Chemical formula of Bleaching Powder is CaOCl2 and its Chemical name is Calcium Oxychloride.
It is Prepared by Chlorine gas over dry slaked lime. Generally this method is used in large sc...

Answer (1)

Rachit Singh Jat

Jul 22, 2015

Give some example of combination reaction?


A combination reaction is a type of reaction in which two or more elements or compounds combine with ...

Answer (3)

Nikhil Sikka

Jun 25, 2014

what change in colour is observed when white silver chloride is left exposed to sunlight ? state the type of chemical reaction in this change .also write the equation.

Answer.

When white Silver chloride exposed to sunlight it produces to black metallic colured Silver along with liberation of Chlorine gas.
2AgCl → 2Ag + Cl...

Answer (2)

P Murali Krishna

May 3, 2015

A solution reacts with crushed egg-shells  to give a gas that turns limewater milky. Identify the solution . Also give the appropriate chemical reaction.

The solution is HCl.
Egg shells contains calcium carbonate, which on reaction with HCl liberates CO2 gas whi...

Answer (1)

Abhishek

May 13, 2014

Explain electrlysis of water.

This answer has an image. Please click on the question to read more.

Answer (1)

Vidhyashivani Govindarajan

Jul 14, 2015

what is a saponification reaction ?

Answer (1)

Filters