Advertisements
Advertisements
प्रश्न
Metals are good ______.
पर्याय
Oxidising agents
Reducing agents
उत्तर
Metals are good reducing agents.
APPEARS IN
संबंधित प्रश्न
A shiny brown-coloured element ‘X’ on heating in air becomes black in colour. Name the element ‘X’ and the black-colored compound formed.
Fill in the blank
In redox reaction oxidation and reduction occur ............................
Give scientific reason.
It is reccommended to use air tight container for storing oil for long time.
Complete and balance the following equation:
H2 + S → ___________
Explain the following reaction with their balanced chemical equation.
Hydrogen sulphide reacts with sulphur dioxide.
Identify the oxidising agent (oxidant) in the following reactions
`3"Fe" + 4"H"_2"O" -> "Fe"_3"O"_4 + 4"H"_2`
Zinc liberates hydrogen gas when reacted with dilute hydrochloric acid whereas copper does not. Explain why?
What happens when zinc granules are treated with dilute solution of H2SO4, HCl, HNO3, NaCl and NaOH Also write the chemical equations if reaction oçcurs.
Find the oxidation number of the element in the following compound.
Ca in CaH2
Identify the type of chemical reaction given below:
\[\ce{2Mg + O2 -> 2MgO}\]
