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प्रश्न
Write the chemical equation for the following word equation and balance them.
Magnesium + Sulphuric acid → Magnesium sulphate + Hydrogen
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उत्तर
Mg + H2SO4→ MgSO4 + H2↑
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संबंधित प्रश्न
Balance the given equation:
Fe + O2 
Fe2O3
State one characteristic of the chemical reaction which takes place when dilute hydrochloric acid is added to sodium carbonate.
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What do you understand by endothermic reactions?
Balance the following equation:
Zn + HNO3 `→` Zn(NO3)2 + H2O + NO2
Answer the following question:
How do acids and bases react with each other? What is the name of the process? What product is obtained from these reactions?
A student mixes sodium sulphate powder in barium chloride powder. What change would the student observe on mixing the two powders? Justify your answer and explain how he can obtain the desired change.
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.
Give one example in the case where supplying energy [given below] is necessary for a chemical reaction.
Catalyst
Balance the following simple equation:
Fe + Cl2 → FeCl3
