Advertisements
Advertisements
प्रश्न
Which of the following are physical changes and which are chemical changes ?
विकल्प
Physical change
Chemical change
उत्तर
Burning of magnesium wire – Chemical change
APPEARS IN
संबंधित प्रश्न
State whether the following is physical or chemical changes.
burning of sugar —
Tick the most appropriate answer.
Physical changes are
Fill in the blank
Changes that occur in nature are called ______
What is a chemical change ? Give two examples of chemical changes.
Is a change of state of matter – a physical or a chemical change. Give reasons.
Select the correct answer from the choice given below to complete the sentence
The dissolution of lead nitrate in water is deemed as a _________ change.
Give the reason why the following is considered as chemical changes.
An iron nail kept open in the atmosphere rusts.
Tearing of sheet of paper into pieces is ______ By the process of Heating of water, change.
When solute is dissolved in a solvent it forms a solution.
Iron pipes coated with zinc do not get rusted easily.
