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प्रश्न
Name: A brown gas
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उत्तर
Nitrogen dioxide
NO2
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संबंधित प्रश्न
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Positively charged ions are called ........
Define a photochemical reaction.
Give an example of the following chemical changes.
A reaction involving
(i) Change of state
(ii) formation of precipitate
Select the correct answer for the following options:
The gas obtained when potassium chlorate is heated in the presence of a catalyst.
A chemical reaction is often accompanied by external indications or characteristics.
Mention the various conditions required for a chemical reaction to occur.
Write some materials prepared by chemical changes.
Iron benches kept in lawns and gardens get____________. It is a _________ change because a new _________ is formed.
Vanaspati is obtained from vegetable oils by the addition of ______ to the oils.
______ is the chemical name of limestone.
