Advertisements
Advertisements
प्रश्न
Tick (√) the correct alternative from the choice given for the following statement
A pop sound is heard when a lighted match stick is brought near the mouth of a jar. This indicates the release of gas.
विकल्प
oxygen
hydrogen
nitrogen
water-vapour
Advertisements
उत्तर
hydrogen
APPEARS IN
संबंधित प्रश्न
Write true or false for the statement.
Dissolving of solute in a solvent and rusting of iron are both physical changes.
State the various conditions that favour the process of evaporation.
Is burning a physical change or a chemical change? Why?
Write true or false
Earthquake is a desirable change.
Write true or false
Deforestation is a man-made change.
The rusting of an iron object is called :
Fill in the blank.
There is no change in the _____________of the substance during a physical change.
Is a change of state of matter – a physical or a chemical change. Give reasons.
Select the chemical changes from the following list of changes
Breaking of glass
Sublimation of Iodine is a ______.
