Advertisements
Advertisements
प्रश्न
Complete the following table:
Chemical Reactions | Name reaction type |
\[\ce{C(s) + O2(g) -> CO2(g)}\] | (a) ________ |
\[\ce{Zn(s) + CuSO4(aq) ->}\] (b) _________ | Displacement reaction |
\[\ce{2Cu(s) + O2(g) ->[heat] 2CuO(s)}\] | (c) _________ |
\[\ce{C(s) + 2H2(g) -> CH4(g)}\] | (d) _________ |
\[\ce{CaO(s) + H2O(l) -> Ca(OH)2(aq) + heat}\] | (e) _________ |
\[\ce{CaCO3(s) + Heat ->}\] (f) _________ | Endothermic Reaction |
उत्तर
Chemical Reactions | Name reaction type |
\[\ce{C(s) + O2(g) -> CO2(g)}\] | (a) Combination Reaction |
\[\ce{Zn(s) + CuSO4(aq) -> ZnSO4(aq) + Cu(s)}\] | Displacement reaction |
\[\ce{2Cu(s) + O2(g) ->[heat] 2CuO(s)}\] | (c) Oxidation reaction |
\[\ce{C(s) + 2H2(g) -> CH4(g)}\] | (d) Reduction reaction |
\[\ce{CaO(s) + H2O(l) -> Ca(OH)2(aq) + heat}\] | (e) Exothermic reaction |
\[\ce{CaCO3(s) + Heat -> CaO(s) + CO2 ^}\] | Endothermic Reaction |
APPEARS IN
संबंधित प्रश्न
What do you observe when Ammonia is brought in contact of hydrogen chloride.gas.
State the effect of an exothermic reaction on the surroundings.
Identify the endothermic and exothermic reaction.
HCl + NaOH → NaCl + H2O + heat
Give scientific reasons.
While preparing dil. Sulphuric acid from concentrated conc. sulphuric acid in the laboratory the concentrated sulphuric acid is, add slowly to water with constant stirring.
Give an example of the following chemical changes.
A photochemical reaction involving silver salt.
Complete the following statement.
On heating, hydrated copper sulphate changes its colour from ________ to __________.
State the effects of endothermic and exothermic reactions on the surroundings.
Give an example of the following chemical changes.
An exothermic and an endothermic reaction involving carbon as one of the reactants.
State the following reaction whether heat is evolved or absorbed –
water is added to quicklime
State the following reaction whether heat is evolved or absorbed –
Two neutral gases on passage through an electric are given nitric oxide.
Complete the statement by filling in the blank with the correct word:
The element molybdenum used in the reaction of nitrogen with hydrogen at elevated temperatures is an example of a ________.
Differentiate between the following:
A catalyst and a promoter.
Give an example with a balanced equation, of the following reaction:
exothermic reaction
Complete the statement by filling in the blank with the correct word:
The reaction of hydrogen burning in oxygen to give a neutral liquid is an example of ________ reaction.
Differentiate between the following:
Electrolytic decomposition and photochemical decomposition.
Write an Explanation.
Endothermic reaction
Respiration is a ______ change.
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.