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प्रश्न
Give a balanced equation for a direct combination reaction involving:
Two elements – one of which is a neutral gas and the other a yellow non-metal
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उत्तर
Direct Combination of two elements one of which is a neutral gas and the other a yellow non-metal
\[\ce{\underset{\text{sulphur yellow-non-metal}}{S} + \underset{\text{neutral gas}}{O2}->\underset{\text{sulphur dioxide}}{SO2}}\]
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संबंधित प्रश्न
Explain, giving one example of the following chemical change:
Thermal dissociation
State the type of reactions for the following represent and balance the ones that are not balanced.
KNO3 + H2SO4 → HNO3 + KHSO4
Match the following:
|
a. Zn(s) + H2SO4(aq) → ZnSO4(aq) + H2(g) |
i. Photochemical decomposition |
|
b. \[\ce{2AgCI(s) ->[Sunlight] 2Ag(s) + CI2(g)}\] |
ii. Thermal decomposition |
|
c. \[\ce{2KCI ->[Electricity] 2K + CI2}\] |
iii. Displacement reaction |
|
d. \[\ce{2HgO(s) ->[\Delta] 2Hg(s) + O(g)}\] |
iv. Electrolytic decomposition |
Complete the table given below.
| Heat on Copper Nitrate | Colour of acidic gas evolved |
State which of the substance given below evolve oxygen gas on thermal decomposition.
Mercury [II] oxide
Give a balanced equation for thermal decomposition of ammonium dichromate
Name a metallic oxide which on thermal decomposition is reduced to metal.
State how displacement reaction represented.
State the double decomposition – neutralization reaction with a suitable representation.
Differentiate between the following:
Synthesis reaction and a substitution reaction.
