Advertisements
Advertisements
प्रश्न
Fill in the blank
Heat is ________ by a gas during the process of condensation.
उत्तर
Heat is released by a gas during the process of condensation.
APPEARS IN
संबंधित प्रश्न
What do you observe when :
lighted match stick is brought near the mouth of the test tube containing hydrogen gas.
Tick the most appropriate answer.
Photosynthesis requires
Classify the following changes as physical or chemical.
What will you take into account while identifying the following?
A physical change in a substance.
Compare the energy changes involved during a physical and a chemical change.
Select the chemical changes from the following list of changes
The carbon cycle.
Select the chemical changes from the following list of changes
Breaking of glass
Select the correct answer from the choice given below to complete the sentence
The energy required for completion of a physical change is ______________ when the change is reversed.
Give the reason why the following is considered as chemical changes.
An iron nail kept open in the atmosphere rusts.
A physical change is generally____________.
