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Complete the Table Given Below. Heat on Iodine Crystals. Colour of Vapours Evolved - Chemistry

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प्रश्न

Complete the table given below.

Heat on iodine crystals Colour of vapours evolved  
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उत्तर

Heat on iodine crystals Colour of vapours evolved Violet (I2 Iodine vapours) 
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अध्याय 9: Practical Chemistry - Practical chemistry

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विराफ जे दलाल Simplified ICSE Chemistry [English] Class 9
अध्याय 9 Practical Chemistry
Practical chemistry | Q 4.02

संबंधित प्रश्न

How do the following help in bringing about a chemical change?

pressure.


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.

NaOH + ............... `→` NaCI + ...................


Give reason .

A person suffering from acidity is advised to take an antacid.


Name three reducing agents ?


 Fill in the blank

A new substance is formed in a _______ change.


Fill in the blank:
The substances formed as a result of a chemical reaction are called _______


Fill in the blank:

In some chemical reactions an insoluble ________ is formed when two solutions are mixed.


Name the type of chemical reaction shown by the following equation:

2Mg + O2 → 2MgO


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)

The spoiling of food is a chemical change which is recognized from the generation of certain ______ due to it.


Give an example of the following chemical changes.

A reaction where colour change is noticed.


Name the gases which Turn moist red litmus blue.


Name: A greenish-yellow gas.


Distinguish by heating the following in dry test tubs.

Ammonium Chloride and iodine.


Name the solid residual product formed reaction and state its colour during – thermal decomposition of the following substance.

Copper nitrate.


Name the solid residual product formed reaction and state its colour during – thermal decomposition of the following substance.

Lead nitrate.


When an aqueous solution of potassium chloride is added to an aqueous solution of silver nitrate, a white precipitate is formed. Give the chemical equation of this reaction.


Is the conversion of milk into ice cream a chemical change?


Write five changes in the characteristics of a substance that can take place during a chemical change. 


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