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प्रश्न
A chemical reaction may be ‘reversible’ in nature. State the meaning of the term in italics.
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उत्तर
Reversible reaction: “A chemical reaction is said to be reversible in nature if “products formed react together – to form actual reactants depending on the condition of the reaction.”
\[\ce{CaCO3⇌[\Delta]CaO + CO2}\]
\[\ce{2SO2 + O2 ⇌[V2O5][450°C] 2SO3}\]
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संबंधित प्रश्न
What do you observe when Blue litmus paper is dipped in dilute hydrochloric acid.
Give two examples of oxides.
Acidic oxide.
Give two examples of oxides.
Amphoteric oxide
Give a reason why a catalyst is used in certain chemical reactions.
Certain thermal decomposition reaction, resulting in the formation of the oxide. Give a balanced equation for the thermal decomposition of the following, which result in the formation of metallic oxide.
Limestone
\[\ce{CaCO3->[\Delta]CaO + CO2}\]
Certain thermal decomposition reaction, resulting in the formation of the oxide. Give a balanced equation for the thermal decomposition of the following, which result in the formation of metallic oxide.
Lead carbonate
\[\ce{PbCO3->[\Delta]PbO + CO2}\]
Certain thermal decomposition reaction, resulting in the formation of the oxide. Give a balanced equation for the thermal decomposition of the following, which result in the formation of metallic oxide.
Calcium hydroxide
\[\ce{Ca[OH]2->[\Delta]CaO + H2O}\]
Give a balanced equation for the formation of the following oxide –
Sulphur dioxide from a non-metal
Give the example of the acidic oxide, basic oxide, amphoteric oxide and neutral oxide. State which of the oxide react with water to give a base.
Give one example of –
A dioxide
