Скачать или смотреть In refining of silver, recovery of silver from silver nitrate sol. involved displacement by copper

This video contains explanation of important NCERT Text book question of class 10th science lesson 1 chemical reactions and equations of CBSE board.

Question: In the refining of silver, the recovery of silver from silver nitrate solution involved displacement by copper metal. Write down the reaction involved.


#10thClassScience
#Lesson1
#ChemicalReactionsAndEquations
#textbookquestions

CHEMICAL REACTION AND EQUATIONS || CLASS 10 CBSE || CLASS 10TH CBSE SCIENCE CHAPTER 1

Other Videos Related with #ChemicalReactionsandEquations
Question: Why should magnesium ribbon be cleaned before burning in air?
   • Why should magnesium ribbon be cleaned bef...  

Question: Write balanced equations of the following chemical reactions:
Hydrogen + Chlorine  Hydrogen Chloride

   • Write balanced equations of the following ...  
Question: Write balanced chemical equations for the following chemical reactions.
The solution of barium chloride and sodium sulphate in water reacts to form a solution of insoluble barium sulphate and sodium chloride.

   • Write balanced equations for chemical reac...  

Question: A solution of substance X is used for white washing.
Name the substance X and write its formula.
Write the reaction of the substance X named in (i) above with water
   • A solution of substance X is used for whit...  

Question: Why is double the amount of a gas collected in one of the test-tubes in the electrolysis of water activity ? Name this gas.
   • Why is double amount of a gas collected in...  

Question: When an iron nail is dipped in a solution of copper sulphate, why does the color of the solution change?
   • When an iron nail is dipped in solution of...  

Question: Give another example of double displacement reaction besides the one given in 1st question.
   • Give another example of double displacemen...  
Question: Identify the oxidized and reduced substances in the following chemical reactions.
   • Identify the oxidized and reduced substanc...  

Question: Which of the statements about the reaction below are incorrect?
2PbO (s) + C (s) → 2Pb (s) + CO2 (g)
(a) Lead is getting reduced

Question: Fe2O3 + 2Al → Al2O3 + 2Fe
The above reaction is an example of a :

   • Fe2O3 + 2Al → Al2O3 + 2FeThe above reactio...  

Question: What happens when dilute hydrochloric acid is added to iron filings? Tick the correct answer.
Hydrogen gas and iron chloride are produced
   • What happens when dilute hydrochloric acid...  

Question: What is a balanced chemical equation? Why should the chemical equation be balanced?
   • What is a balanced chemical equation? Why ...  

Question: Convert the following statements into chemical equations and then balance.
Hydrogen gas combines with nitrogen gas to form ammonia.

   • Convert following statements into chemical...  

Question: Write balanced chemical equations for the following and also state the type of each chemical reaction.
Potassium bromide + barium iodide  potassium iodide + barium bromide

   • Write chemical equations and state the typ...  

Question: What is meant by exothermic and endothermic reaction? Give examples.
   • What is meant by exothermic and endothermi...  

Question: Why the process of respiration is considered as exothermic reaction. Explain.
   • Why the process of respiration is consider...  

Question: Why are decomposition reactions called the opposite of combination reactions ? Write equations for these reactions
   • Why are decomposition reactions called the...  

Question: Write one equation each for decomposition reactions where energy is supplied in the form of
(a) heat (b) light (c) electricity.
   • Write equation for decomposition reaction ...  

Question: In the refining of silver, the recovery of silver from silver nitrate solution involved displacement by copper metal. Write down the reaction involved.
   • In refining of silver, recovery of silver ...  

Question: What do you mean by a precipitation reaction? Explain with an example.
   • What do you mean by a precipitation reacti...  

Question: Explain the following in terms of gain or loss of oxygen with two examples each :
(a) Oxidation (b) Reduction
   • Explain the following in terms of gain or ...  

Question: A shiny brown element 'X' turns black by heating in the presence of air. Name the element 'X' and the black colored compound.

Question: Why do we paint iron objects?
   • A shiny brown element 'X' turns black by h...  

Question: Oil and fat containing food items are flushed with nitrogen. Why?
   • Oil and fat containing food items are flus...  

#REDOXREACTION
#ChemicalReaction
#ChemicalEquation
#Combinationreaction
#Decompositionreaction
#Displacementreaction
#Double-Displacementreaction
#OxidationReductionReaction
#Endothermicreaction
#Exothermicreaction
#Corrosion
#Rancidity
#RANCIDITY
#CORROSION
#PHOTOLYSIS
#ELECTROLYSIS
#Thermolysisreaction
#chemicalreactionsandequationsclass10
#chemicalreactionsandequations
#cbseclass10science #lesson1
#class10sciencenotes
chemical reactions and equations chemical reactions and equations pdf chemical reactions and equations class 10 chemical reactions and equations class 10 ppt chemical reactions and equations class 10 notes chemical reactions and equations class 10 mcq chemical reactions and equations ncert solutions