CBSE IX Chemistry Is Matter Around Us Pure?
is tea a chemical change?
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7th March 2008
3:04 PM
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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
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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
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ICSE VIII Chemistry Physical and Chemical Changes
define burning . what type of change is it?
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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
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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.
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23rd March 2018
12:26 PM
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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
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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
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ICSE VIII Chemistry Physical and Chemical Changes
define the following term 1)periodic change
Asked by nathsantanukumar
23rd March 2018
3:57 PM
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ICSE VIII Chemistry Physical and Chemical Changes
define the following term 1)exothermic change
Asked by nathsantanukumar
23rd March 2018
3:58 PM
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ICSE VIII Chemistry Physical and Chemical Changes
define the following term 1)non periodic change
Asked by nathsantanukumar
23rd March 2018
3:59 PM
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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
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ICSE VIII Chemistry Physical and Chemical Changes
define the following term 1)chemical change
Asked by nathsantanukumar
23rd March 2018
4:01 PM
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CBSE VI Science Changes Around Us
Are changes important to us ? Explain with example.
Asked by amitsaxenaagra
6th December 2018
9:12 PM
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CBSE VI Science Changes Around Us
How are the following changes Different from each other? a. Changing of milk b. Hot milk becoming cold milk
Asked by bhoomi23446
29th December 2018
9:43 PM
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CBSE VI Science Changes Around Us
When a candle is lighted,following observations are made: 1)the candle burns 2)size of the candle reduces 3)wax melts 4)melted eax solidifies Which of the above changes arw reversible?
Asked by Z3hdamalik
3rd January 2019
10:12 PM
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ICSE VIII Chemistry Physical and Chemical Changes
Respiration in a chemical change
Asked by Ansariisaad8989
7th March 2019
10:33 PM
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CBSE VII Science Physical and Chemical Changes
whether the change is physical or chemical, the ------------------------------------------------------------------- eventhough-------------------------------------------------------------------
Asked by Nimmi
10th March 2019
12:38 AM
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ICSE VIII Chemistry Physical and Chemical Changes
Into how many types can you classify the change -germination of seeds
Asked by arsenterprises75
19th June 2019
8:19 AM
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ICSE VII Chemistry Physical and Chemical Changes
is falling of leaves from a tree of irreversible change?give reason.
Asked by roopalmbd60
30th June 2019
10:52 AM
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CBSE VIII Chemistry
Explain the change of energy Ina physical change
Asked by chogeltamang65
6th August 2019
6:11 AM
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CBSE VI Science Changes Around Us
Define change
Asked by amanullahhira
1st December 2019
12:06 AM
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CBSE VI Science Changes Around Us
what is exothermic change and endothermic change with one example of both
Asked by anupamasharma54883
13th January 2020
8:13 PM
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ICSE VII Chemistry Physical and Chemical Changes
Classify the change of melting of gold ornaments
Asked by akhiramvani
17th February 2020
8:24 AM
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CBSE VI Chemistry Introduction to Chemistry
Is falling of leaves a periodic or non periodic change?
Asked by Sarkaramit1961
22nd February 2020
5:59 PM
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ICSE VII Chemistry Physical and Chemical Changes
Natural changes
Asked by Shrey2520
6th April 2020
3:18 PM
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ICSE VIII Chemistry Physical and Chemical Changes
why melting of candle is both chemical and physical change?
Asked by skarletchristian8290.8sdatl
22nd May 2020
12:08 PM
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CBSE VI Science Changes Around Us
what is irrivislbe
Asked by tanishka6b
16th July 2020
1:07 PM
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CBSE VI Science Changes Around Us
what is irrivisible
Asked by rajiraju60822
24th July 2020
12:36 PM
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CBSE VI Science Changes Around Us
what is preodic change
Asked by gurunarayansah
13th September 2020
2:27 PM
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CBSE VI Science Changes Around Us
Why is cooking of food an irreversible change ?
Asked by drthilakyshetty
10th January 2021
1:27 PM
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ICSE VII Chemistry Physical and Chemical Changes
what are reversible changes
Asked by santoshidevihlf
29th January 2021
7:02 PM
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CBSE VI Science Changes Around Us
Growth of a tree is a chemical change or physical changr
Asked by amitpati2020
11th November 2021
4:05 PM
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