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प्रश्न
Give an example of a chemical equation in which two reactants form:
one product
उत्तर
one product: \[\ce{S + O2->[\triangle]\underset{\text{(sulphur dioxide one product)}}{SO2}}\]
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संबंधित प्रश्न
Balance the given equation:
NH3 + CuO 
Cu +N2 +H2O
Write any two observations in an activity which may suggest that a chemical reaction has taken place. Give an example in support of your answer.
Express the following facts in the form of a balanced chemical equation:
"When a strip of copper metal is placed in a solution of silver nitrate, metallic silver is precipitated and a solution containing copper nitrate is formed".
What happens when silver nitrate solution is added to sodium chloride solution?
Write the equation for the reaction which takes place.
Balance the following equation :
Fe + O2 → Fe3 O4
Balance the following equation:
Pb3O4 → PbO + O2
Write the balanced chemical equation of the following reaction.
iron pyrites(FeS2) + oxygen → ferric oxide + sulphur dioxide
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 – mercury [II] oxide.
Write scientific reason.
Adding zinc particles to a solution of copper sulphate makes the blue solution colorless.
The following reaction is an example of a `4"NH"_3("g") + "SO"_2 -> 4"NO"("g") + 6"H"_2"O"("g")`
- displacement reaction
- combination reaction
- redox reaction
- neutralisation reaction
