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Types Of Changes

CBSE IX Chemistry Is Matter Around Us Pure?

is tea a chemical change?

Asked by 7th March 2008 3:04 PM
Answered by Expert

ICSE VIII Chemistry Physical and Chemical Changes

explain the following terms with example 1)periodic change 2)desirable change  

Asked by nathsantanukumar 23rd March 2018 10:39 AM
Answered by Expert

ICSE VIII Chemistry Physical and Chemical Changes

why is boiling of eggs a chemical change while the boiling of water is a physical change?

Asked by nathsantanukumar 23rd March 2018 10:41 AM
Answered by Expert

ICSE VIII Chemistry Physical and Chemical Changes

define burning . what type of change is it?

Asked by nathsantanukumar 23rd March 2018 10:48 AM
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ICSE VIII Chemistry Physical and Chemical Changes

are the following natural changes ? justify answer a)photosynthesis   b)cooking food  

Asked by nathsantanukumar 23rd March 2018 11:45 AM
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ICSE VIII Chemistry Matter

long answer question explain the main features of a chemical change with example

Asked by nathsantanukumar 23rd March 2018 11:46 AM
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ICSE VIII Chemistry Physical and Chemical Changes

long question answer   define natural changes. write some natural changes that are desirable.

Asked by nathsantanukumar 23rd March 2018 11:50 AM
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ICSE VIII Chemistry Physical and Chemical Changes

give reason for the following   melting of wax is a physical change but burning of a candle is a chemical change.

Asked by nathsantanukumar 23rd March 2018 12:26 PM
Answered by Expert

ICSE VIII Chemistry Physical and Chemical Changes

give reason for the following though we take in food ,digestion of food is a natural change

Asked by nathsantanukumar 23rd March 2018 12:27 PM
Answered by Expert

ICSE VIII Chemistry Physical and Chemical Changes

give reason for the followig growing crops is a man made change though the growth of plants is a natural change

Asked by nathsantanukumar 23rd March 2018 12:29 PM
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ICSE VIII Chemistry Physical and Chemical Changes

give reason   evaporation can be desirable or un desirable

Asked by nathsantanukumar 23rd March 2018 12:30 PM
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ICSE VIII Chemistry Physical and Chemical Changes

give reason   curdling of milk can be desirable or undesirable

Asked by nathsantanukumar 23rd March 2018 12:31 PM
Answered by Expert

ICSE VIII Chemistry Physical and Chemical Changes

define the following term 1)periodic change  

Asked by nathsantanukumar 23rd March 2018 3:57 PM
Answered by Expert

ICSE VIII Chemistry Physical and Chemical Changes

define the following term 1)exothermic change  

Asked by nathsantanukumar 23rd March 2018 3:58 PM
Answered by Expert

ICSE VIII Chemistry Physical and Chemical Changes

define the following term 1)non periodic change

Asked by nathsantanukumar 23rd March 2018 3:59 PM
Answered by Expert

ICSE VIII Chemistry Physical and Chemical Changes

define following term 1)undesirable change            2)man made change  

Asked by nathsantanukumar 23rd March 2018 4:00 PM
Answered by Expert

ICSE VIII Chemistry Physical and Chemical Changes

define the following term 1)chemical change

Asked by nathsantanukumar 23rd March 2018 4:01 PM
Answered by Expert

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