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प्रश्न
State whether the following is physical or chemical changes.
heating a mixture of iron filings and sulphur—
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उत्तर
chemical change.
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संबंधित प्रश्न
Define physical change. Give two examples for the above changes.
State whether the following is physical or chemical changes.
photosynthesis —
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Physical change and chemical change
What will you take into account while identifying the following?
A chemical change in a substance.
Ammonium chloride is also a sublimable solid. Give a reason why the sublimation of ammonium chloride involves a physical and a chemical change.
Give a reason why
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Give a reason why – Heating a platinum wire is a reversible change but, heating a magnesium wire is an irreversible change.
When ice melts to form water, change occurs in its
______ is the Universal Solvent.
