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प्रश्न
Name: A brown gas
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उत्तर
Nitrogen dioxide
NO2
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संबंधित प्रश्न
Changes in which new substances are formed are called ______ changes.
Choose the correct option from the bracket and explain the statement giving a reason.
(Oxidation, displacement, electrolysis, reduction, zinc, copper, double displacement, decomposition)
Addition of an aqueous solution of ZnSO4 to an aqueous solution of BaCl2 is an example of ______ reaction.
Explain,giving one example of the following chemical changes:
Reversible reaction
Complete and balance the following reaction:
\[\ce{CuCO3 ->[\Delta]}\]
Name: Two nitrates that do not produce nitrogen dioxide on heating.
Give a chemical test to distinguish between the following gases.
H2 and O2
Explain with the help of balanced equations, how precipitation reactions are used for identifying the positive radicals in three different salts, each having a different cation [positive ion].
Which of the following is/are true when milk changes into curd?
- Its state is changed from liquid to semi solid.
- It changes colour.
- It changes taste.
- The change cannot be reversed.
Choose the correct option from below:
______ is the chemical name of rust.
Acid rain is a result of ______.
