Download App

Chemical Changes and Reaction — CHEMISTRY STD 9 — Question

ICSE BoardEnglish MediumSTD 9CHEMISTRYChemical Changes and Reaction1 Mark
Question
What are electrochemical reactions? Support your answer by two examples.
✓

Answer

electrochemical reaction, any process either caused or accompanied by the passage of an electric current

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "[1 Mark Question Answer]" from Chemical Changes and Reaction→Chemical Changes and Reaction — all question types→CHEMISTRY STD 9 question papers→ICSE Board STD 9 question papers→ICSE Board question paper generator→

Similar questions

An element A has 2 electrons in its fourth shell. State:
is it a metal or non-metal
→
State the type of reactions for the following represent and balance the ones that are not balanced.
$NH_4Cl → NH_3 + HCl$
→
What do you observe? When
Barium chloride is added to sodium sulphate solution
→
Name the sub-atomic particle whose charge is 0.
→
State the type of reactions for the following represent and balance the ones that are not balanced.
$Fe + CuSO_4→ FeSO_4 + Cu$
→
An atom X has 2, 8, 7 electrons in its shell. It combines with Y having 1 electron in its outermost shell.
Write the formula of the compound formed.
→
Write the balanced chemical equation of the following reaction.
potassium bicarbonate + sulphuricacid → potassiumsulphate+carbon dioxide+water
→
Normally, solubility of crystalline solid increases with temperature. Does it increase uniformly in all cases? Name a substance whose solubility:
Increases rapidly with temperature
→
Identify the following reaction as either oxidation or reduction:
$K - e^- → K^+$
→
Define
Seeding
→