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सी.आई.एस.सी.ई.आयसीएसई ICSE Class 8

Complete and Balance the Following Chemical Equations Naci + `Agno_3` `→` - Chemistry

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प्रश्न

Complete and balance the following chemical equations

NaCI + `AgNO_3`  `→`

उत्तर

NaCI + `AgNO_3`  `→` AgCI + `NaNO_3` 

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पाठ 6: Chemical Reactions - Exercise 1 [पृष्ठ ७३]

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सेलिना Concise Chemistry [English] Class 8 ICSE
पाठ 6 Chemical Reactions
Exercise 1 | Q 6.4 | पृष्ठ ७३

संबंधित प्रश्‍न

When baking soda is mixed with lemon juice, bubbles are formed with the evolution of a gas. What type of change is it? Explain.


Complete and balance the following chemical equations:

Ba`"CI"_2`   +  `"H"_2"SO"_4`   `→`

    (aq.)           (aq.)


Write the missing reactants and products and balance the equations.

................+ HCI `→` NaCI + `"H"_2"O"` + .........................


MULTIPLE CHOICE QUESTIONS

Tick the most appropriate answer.

 

Miscible liquids having slightly different boiling points can be separated by the

  1. evaporation
  2. distillation
  3. fractional distillation
  4. sedimentation

TRUE \ FALSE

Ammonia is a good oxidizing agent.


TRUE \ FALSE

Electrolytic refining is a method in which a thin coating of a metal is done over another metal.


Write a short note on the information derived from a balanced chemical equation.


Write true or false .
A black residue is formed when sugar is heated .


Explain the following reaction with one suitable example of Decomposition reaction


Complete the statement by filling the gaps using appropriate term from the terms given in the bracket.

(slow, coloured, arrow, fast, smell, milky, physical, product, chemical, reactant, covalent, ionic, octet, duplet, exchange, sharing, equality sign)

Oxygen is a ______ in respiration.


Explain the term reactant and product giving examples. 


Give an example of a reaction where the following are involved:

Solution


Give an example of the following chemical change.

A reaction where colour change is noticed


State the type of reactions for the following represent and balance the ones that are not balanced.

Cl2 + 2KBr → 2KCl + Br2 


Name: Gas with rotten egg smell. 


Name: A brown gas 


What do you observe when Cl2 is passed through potassium iodide (KI) solution.


Give a chemical test to distinguish between the following gases. 

H2 and O2


Give examples of exothermic reactions i.e. heat evolved in each of the following:

(a) reaction between a solid and a liquid
(b) reaction between two gases
Give two examples of exothermic reactions seen in everyday life.


Give a word equation for the following reaction.

Two solids which combine on heating, to give a liquid.


Complete the table given below.

Heat on sodium chloride Colour imparted to flame during flame test  

State the following reaction represent oxidation or reduction.

\[\ce{Cl- ->Cl}\]


Give a suitable example with an equation to show the representation of a chemical reaction.


Give a balanced equation for the conversion of a soluble lead salt to an insoluble lead salt – formed as a white precipitate.


What kind of a change is associated with decaying of a plants?


Can a nickel spatula be used to stir copper sulphate solution? Justify your answer.


Melting of wax is a change where a solid changes to a liquid state. Give one more such change which you observe in your surroundings


Vanaspati is obtained from vegetable oils by the addition of ______ to the oils.


Chemical changes are important in our day-to-day life. Give examples.


What is the difference between reactants and products?


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