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प्रश्न
Balance the following simple equation:
CaO + HCl → CaCl2 + H2O
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उत्तर
CaO + 2HCl → CaCl2 + H2O
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संबंधित प्रश्न
Balance the chemical equation.
\[\ce{HNO3 +Ca(OH)2 -> Ca(NO3)2 + H2O}\]
What do you understand by exothermic reactions?
Which of the following are endothermic reactions and which are exothermic reactions?
- Burning of natural gas
- Photosynthesis
- Electrolysis of water
- Respiration
- Decomposition of calcium carbonate
The chemical equations are balanced to satisfy one of the following laws in chemical reactions. This law is known as:
Balance the following equation. Also name the product formed.
` "H"_2"O"_2 → "H" _2 "O" + "O"_2`
In electrolysis of water, why is the volume of gas collected over one electrode double that of gas collected over the other electrode?
Write the balanced chemical equation of the following reaction. iron + sulphuric acid → ferrous sulphate + hydrogen.
A chemical reaction is generally accompanied by certain external indications or characteristics. These include – change of – (a) colour (b) state (c) smell (d) evolution of gas (e) formation of precipitate (f) evolution or absorption of heat. With reference to change of colour – state the change in colour seen when the following are heated – zinc carbonate.
Name the following:
The silvery residue obtained on heating mercury [II] oxide.
Give an example of a chemical equation in which two reactants form:
three product
