Advertisements
Advertisements
प्रश्न
Complete and balance the following equation:
\[\ce{K + H2O -> }\]________+ ________
Advertisements
उत्तर
\[\ce{2K + 2H2O →\underline{2\text{KOH}} + \underline{\ce{H2}}}\]
APPEARS IN
संबंधित प्रश्न
Why does the colour of copper sulphate solution change when an iron nail is dipped in it?
Why is photosynthesis considered an endothermic reaction?
Explain oxidation in terms of gain or loss of oxygen with one example.
In the context of redox reactions, the removal of hydrogen from a substance is known as:
(a) oxidation
(b) dehydration
(c) reduction
(d) dehydrogenation
Give scientific reason.
It is reccommended to use air tight container for storing oil for long time.
Identify from the reaction the reactants that undergo oxidation and reduction.
2Mg + O2 → 2MgO
Describe briefly the ionic concept of oxidation and reduction. Give an equation to illustrate.
Choose terms from the options given in brackets to complete this sentence.
When CuO reacts with hydrogen,………………… is reduced and ……………….is oxidized to ………………….
(CuO, H2, Cu, H2O)
Select the oxidising agent for the following reaction:
\[\ce{H2S + I2 -> 2HI + S}\]
Oxidizing agents are otherwise called ______.
