Advertisements
Advertisements
प्रश्न
Balance the following chemical equation and identify the type of chemical reaction.
`"Na"("s") + "S"("s") overset("(Fuse)")(->) "Na"_2"S"("s")`
उत्तर
The chemical equation in balanced form may be written as follows :
`2"Na"("s") + "S"("s") overset("(Fuse)")(->) "Na"_2"S"("s")` - Combination reaction
APPEARS IN
संबंधित प्रश्न
One of the following is an endothermic reaction. This is:
(a) combination of carbon and oxygen to form carbon monoxide
(b) combination of nitrogen and oxygen to form nitrogen monoxide
(c) combination of glucose and oxygen to form carbon dioxide and water
(d) combination of zinc and hydrochloric acid to form zinc chloride and hydrogen
What type of chemical reaction take place when a magnesium wire is burnt in air?
what tpye of reaction is the following:
2K + Cl → 2KCl
Consider the following equation of the chemical reaction of a metal M:
4M + 3O2 → 2M2O3
This equation represents:
(a) combination reaction as well as reduction reaction
(b) decomposition reaction as well as oxidation reaction
(c) oxidation reaction as well as displacement reaction
(d) combination reaction as well as oxidation reaction
What do you observe when when dilute sulphuric acid is added to barium chloride solution ?
Explain the following type of chemical reaction, giving two examples for it:
Combination reaction
(a) What is double displacement reaction? Explain with an example.
(b) A small amount of quick lime is added to water in a beaker.
(i) Name and define the type of reaction that has taken place.
(ii) Write balanced chemical equation for the above reaction and the chemical name of the product formed.
(iii) List two main observations of this reaction.
Define a combination reaction. Give one example of an exothermic combination reaction.
Which of the following is not a physical change?
Balance the following chemical equation and identify the type of chemical reaction.
`"CaO"("s") + "SiO"_2("s") -> "CaSio"_3("s")`
