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प्रश्न
Tick (√) the correct alternative from the choice given for the following statement.
The compound rust is a hydrated oxide of
पर्याय
copper
aluminium
iron
gold
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उत्तर
iron
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संबंधित प्रश्न
Classify the following changes as physical or chemical:- photosynthesis in plants
State whether the following is physical or chemical changes.
burning of sugar —
State whether the following is physical or chemical changes.
shaping a piece of glass —
Write true or false
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Classify the Following as a Physical Or a Chemical Change.
Formation of Clouds
Classify the Following as a Physical Or a Chemical Change.
Making of a Sugar Solution
Select the chemical changes from the following list of changes
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Give the reason why the following is considered as chemical changes.
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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.
Give two examples for the following case:
Physical changes which are not reversible
