Advertisements
Advertisements
प्रश्न
State whether the following is physical or chemical changes.
cutting wood into small pieces —
Advertisements
उत्तर
physical change,
APPEARS IN
संबंधित प्रश्न
Classify the following as chemical or physical change:
Cutting of trees
Classify the changes involved in the following process as physical or chemical changes:
Photosynthesis
State whether the following statement is true or false. In case a statement is false, write the corrected statement.
Cutting a log of wood into pieces is a chemical change.
Fill in the blank
Revolution of the earth around the sun is a ________ change.
Write true or false
Rusting of iron is a chemical change.
Separate the following into physical and chemical changes :
Sublimation of a solid, Decomposition of water into hydrogen and oxygen by passing electric current, Formation of clouds, Making a fruit salad from raw fruits, Dissolving carbon dioxide in water
Fill in the blank with the correct word of the statement given below:
Sublimation involves a __________ change.
Give the reason why the following is considered as chemical changes.
A bright light is seen evolved when a strip of magnesium is heated.
Mention a few physical properties of a substance.
Give an example of a physical change in which the color of the substance changes.
