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प्रश्न
Select the correct answer from the options given below:
State the gaseous product formed, when
Two gases one of them neutral combines by absorption of light energy.
विकल्प
Ammonia
Hydrogen chloride
Hydrogen
Nitrogen dioxide
Nitric oxide
उत्तर
Hydrogen chloride
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संबंधित प्रश्न
Define endothermic reactions. Give two examples of each.
Explain the term with examples.
Endothermic reaction
Identify the endothermic and exothermic reaction.
\[\ce{CaO + H2O -> Ca(OH)2 + Heat}\]
Identify the endothermic and exothermic reaction.
\[\ce{CaCO_{3(s)}->[\Delta] CaO_{(s)} + CO2}\]
Complete the following statement.
On heating, hydrated copper sulphate changes its colour from ________ to __________.
Define exothermic and endothermic changes. Give two example in each case.
State the following reaction whether heat is evolved or absorbed –
water is added to quicklime
Write an Explanation.
Endothermic reaction
Give scientific reasons.
While preparing dilute sulphuric acid from concentrated sulphuric acid in the laboratory, the concentrated sulphuric acid is added slowly to water with constant stirring.
Give scientific reason.
While preparing dilute sulphuric acid from concentrated sulphuric acid in the laboratory, the concentrated sulphuric acid is added slowly to water with constant stirring.
