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प्रश्न
Give one example of a combination reaction which is also endothermic.
उत्तर
Nitrogen burns in air to form nitric oxide.
N2 (g) + O2 (g) → 2NO (g)
Heat is absorbed during this reaction
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संबंधित प्रश्न
Write the balanced chemical equation for the following and identify the type of reaction.
\[\ce{Hydrogen(g) + Chlorine(g) -> Hydrogen chloride (g)}\]
When crystals of copper sulphate are strongly heated, the residue obtained is ___________.
(A) red in colour
(B) blue in colour
(C) green in colour
(D) colourless
What type of reaction is represented by the following equation?
2 Ca + O2 → 2CaO
What type of chemical reaction take place when a magnesium wire is burnt in air?
What type of reaction is represented by the following equation?
CaO + CO2 → CaCO3
Fill in the blank
A reaction in which two or more substances combine to form a single substance is called a ............ reaction.
Fill in the blank
The chemical reaction between hydrogen and chlorine is a ................ reaction
Define: Chemical combination reaction
Classify the following reaction into different type:
CaO(s) + H2O(l) → Ca(OH)2(aq)
Which changes occur during chemical changes?
