हिंदी

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

Advertisements
Advertisements

प्रश्न

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

Solution

एक पंक्ति में उत्तर

उत्तर

\[\ce{NaCl (aq) + AgNO3 (aq) -> \underset{white ppt.}{AgCl \downarrow} + NaNO3 (aq)}\]

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 2: Chemical Changes and Reactions - Exercise 2 (A) [पृष्ठ २३]

APPEARS IN

सेलिना Concise Chemistry [English] Class 9 ICSE
अध्याय 2 Chemical Changes and Reactions
Exercise 2 (A) | Q 3.5 | पृष्ठ २३

संबंधित प्रश्न

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

pressure.


Complete and balance the following chemical equations:

Zn + `"H"_2"SO"_4`  `→`

           (dil)


FILL IN THE BLANK

In a double decomposition precipitation reaction both the reactants must be ............ soluble.


FILL IN THE BLANK

Positively charged ions are called ........


FILL IN THE BLANK

Distillation is a method of obtaining pure ............. from a solution.


TRUE \ FALSE

Temperature at which a liquid starts boiling is known as the boiling point of that liquid. True or false ?


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 a reaction where the following are involved

Pressure


Write the chemical reaction where the following changes are observed.

Physical state is changed


What do you understand by precipitation reaction? Explain with examples.


Name Affects the acidified K2Cr2O7 paper and also turns lime water dirty milky.


State the original colour of the following substance and colour of residue obtained after heating.

Zinc carbonate


Give a chemical test to distinguish between the following gases. 

CO2 and SO2


Write your observation and a balanced equation in the case of the following substances being heated.

Ammonium chloride 


Distinguish by dilute sulphuric acid.

Sodium sulphide and sodium sulphite?


On heating which of the following substances i.e. copper carbonate, zinc carbonate, washing soda, copper sulphate, zinc nitrate, copper nitrate, lead nitrate, ammonium chloride and ammonium dichromate – relate to the reaction given below.

A white solid which evolves two colourless gases which on cooling combine and condense on the cooler parts of the test tube.


______ are substances that speed up the process of a chemical change and it will not undergo any change during the course of the reaction.


Iron and rust are the same substances.


______ is the chemical name of limestone.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×