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प्रश्न
Write the chemical reaction where the following changes are observed.
Physical state is changed
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उत्तर
\[\ce{Nh3_(_g_) + HCI_(_g_) ⇌ NH4CI_(_s_)}\]
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संबंधित प्रश्न
Fill in the blank:
The substances formed as a result of a chemical reaction are called _______
Fill in the blank:
The basic conditions necessary for a chemical reaction is _______
Give an example of a reaction where the following are involved
Heat
Give balanced equation for the following conversion affected by heat alone on the substance:
Copper nitrate to nitrogen dioxide
Give balanced equation for the following conversion affected by heat alone on the substance:
Ammonium dichromate to nitrogen
State the following reaction represent oxidation or reduction.
\[\ce{Cl- ->Cl}\]
Name the solid residual product formed reaction and state its colour during – thermal decomposition of the following substance.
Ammonium dichromate.
NPK are the primary nutrients for plants.
Assertion (A): Cutting paper into very small pieces is an irreversible change.
Reason (R): Physical changes are always reversible.
Define the following term:
Chemical change
