Advertisements
Advertisements
प्रश्न
Define the following type of chemical change or reaction with a suitable example.
Direct combination reaction or synthesis
उत्तर
Direct Combination Reaction or Synthesis:
“Those reactions in which two or more substances [element or elements and compound or compounds] combine and form a new substance”.
\[\ce{H2 + O2->H2O}\]
Hydrogen combines with oxygen to produce new substance water.
APPEARS IN
संबंधित प्रश्न
Complete the following statement.
The chemical change involving iron and hydrochloric acid illustrates a _________________ reaction.
State the type of reactions for the following represent and balance the ones that are not balanced.
2HgO → 2Hg + O2
State the type of reactions for the following represent and balance the ones that are not balanced.
KNO3 + H2SO4 → HNO3 + KHSO4
State which of the substance given below evolve oxygen gas on thermal decomposition.
Zinc nitrate
The reaction can be classified as:
State which of the following type, take place in the reaction is given below.
\[\ce{Cl2 + 2Kl->2KCl + l2}\]
Convert hydrogen to hydrogen chloride by a direct combination reaction.
Give a balanced equation for thermal decomposition of mercury [II] oxide
Define a thermal dissociation reaction with a suitable example.
Define a displacement reaction with a suitable example.
Differentiate between the following:
Thermal decomposition & thermal dissociation.
