Advertisements
Advertisements
प्रश्न
Classify the Following as a Physical Or a Chemical Change.
Formation of Clouds
Advertisements
उत्तर
Physical change
APPEARS IN
संबंधित प्रश्न
Fill in the blank.
Changes that occur in nature are called ........................
Two chemical substances X and Y combine together to form a product P which contains both X and Y X + Y P
X and Y cannot be broken down into simpler substances by simple chemical reactions. Which of the following statements concerning X, Y and P are correct ?
- P is a compound
- X and Y are compounds
- X and Y are elements
- P has a fixed composition
Classify the following as physical or chemical change :
Formation of curd from milk
Which of the following are physical changes and which are chemical changes ?
Freezing of water
Fill in the blank.
There is no change in the _____________of the substance during a physical change.
Ammonium chloride is also a sublimable solid. Give a reason why the sublimation of ammonium chloride involves a physical and a chemical change.
Select the chemical changes from the following list of changes
Respiration in mammals.
Give the reason why the following is considered as chemical changes.
A bright light is seen evolved when a strip of magnesium is heated.
Digestion of food is a physical change.
Iron pipes coated with zinc do not get rusted easily.
