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प्रश्न
Give two examples for the following case:
Chemical changes
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उत्तर
- Burning of paper
- Curdling of milk
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संबंधित प्रश्न
When carbon dioxide is passed through lime water, it turns milky due to the formation of ______.
FILL IN THE BLANK
........... electrolytes dissociate completely in aqueous state and allow large amount of electricity to flow through it.
FILL IN THE BLANK
Negatively charged ions are called ..........
TRUE \ FALSE
Positively charged electrode is called the anode. True or false ?
What are chemical reactions?
A chemical equation is a statement that describes a chemical change in terms of
Name: Two nitrates that do not produce nitrogen dioxide on heating.
Give reason for the following:
Even though rusting is an exothermic reaction, the heat evolved when an iron nail rusts is unnoticeable.
Chemical changes are important in our day-to-day life. Give examples.
______ is the chemical name of limestone.
