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प्रश्न
Name the following.
The gaseous product of the chemical change which takes place during respiration in living organisms.
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उत्तर
CO2 carbon dioxide.
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संबंधित प्रश्न
Match the columns
| column A | coulmn B |
| 1. A change which cannot be easily reversed | a. man-made change |
| 2.A change that repeats itself at regular intervals | b. chemical change |
| 3. A change that is made by humans | c. physical change |
|
4. A change in which the original substance cannot be obtained |
d. periodic change |
| 5. A change where no new substance is formade | e. irreversible change |
| f. slow change |
State whether the following is physical or chemical changes.
respiration in living beings —
Write true or false
Earthquake is a desirable change.
What is a physical change ? Give two examples of physical changes.
What is a chemical change ? Give two examples of chemical changes.
Classify the Following as a Physical Or a Chemical Change.
Formation of Clouds
Give four reasons why the burning of a magnesium ribbon in the air is considered a chemical change.
Select the chemical changes from the following list of changes
Breaking of glass
A change in which matter undergoes a change but the total mass of the substance is unaltered is a ______ change.
Iron pipes coated with zinc do not get rusted easily.
