Advertisements
Advertisements
प्रश्न
Ice, water and water vapour look different and display different ______ properties but they are ______ the same.
Advertisements
उत्तर
Ice, water and water vapour look different and display different physical properties but they are chemically the same.
APPEARS IN
संबंधित प्रश्न
Photosynthesis cannot take place at night.
Classify the following changes as physical or chemical: curdling of milk
State the various conditions that favour the process of evaporation.
Name a chemical change which takes place in presence of:
State whether the following is physical or chemical changes.
cutting wood into small pieces —
Tick (√) the correct alternative from the choice given for the following statement.
The compound rust is a hydrated oxide of
Name two reversible changes.
Which of the following are physical changes ?
- melting of iron metal
- rusting of iron metal
- bending of an iron rod
- drawing a wire of iron metal
Classify the following as a physical or a chemical change.
Melting of wax
Give the reason why the following is considered as chemical changes.
Copper carbonate on heat gives copper oxide and carbon dioxide.
