Advertisements
Advertisements
Question
Fill in the blank.
The process of a liquid changing into a solid is called ________
Advertisements
Solution
The process of a liquid changing into a solid is called freezing.
APPEARS IN
RELATED QUESTIONS
Tick the most appropriate answer.
5. Photosynthesis requires
- heat energy.
- wind energy
- sunlight.
- sound energy
Write true or false for the statement.
Burning of paper and formation of curd are reversible changes
Write short answer.
Give two examples of periodic changes
What is a chemical change ? Give two examples of chemical changes.
Give the main differences between physical changes and chemical changes.
State the observations seen, when milk in a dish is kept aside for a few hours or more. Is the change which occurs – a physical change or a chemical change. Give reasons.
Name the following.
The product of the chemical change in keeping a polished iron nail exposed to the atmosphere.
Assertion: Burning of wood log to charcoal is a physical change.
Reason: The products formed of burning a piece of wood can be easily converted back to wood log.
______ is the substance that is dissolved in a solvent.
Classify the following as physical or chemical properties
Metallic sodium is soft enough to be cut with a knife.
