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प्रश्न
Write true or false
Rusting of iron is a chemical change.
पर्याय
True
False
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उत्तर
True
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संबंधित प्रश्न
Which of the following are physical changes and which are chemical changes?
Burning of candle wax, Melting of candle wax, Mixing of iron filings and sand, Burning of wood, Breaking a piece of chalk, Burning a piece of paper, Cutting a piece of paper.
Give the main differences between physical changes and chemical changes.
Differentiate between a physical change and a chemical change with reference to – Formation of products.
Fill in the blank with the correct word of the statement given below:
Sublimation of iodine is an example of _________ change.
Select the chemical changes from the following list of changes
Drying of a fruit
Select the chemical changes from the following list of changes
Change of seasons
Give the reason why the following is considered as chemical changes.
A piece of magnesium strip is dropped into a beaker containing dilute hydrochloric acid.
______ is the substance that is dissolved in a solvent.
Classify the following as physical or chemical properties
The composition of a sample of steel is 98% iron, 1.5% carbon and 0.5% other elements.
State whether the following statement is true or false:
Stretching of rubber bands is not a physical change.
