Download App

Chemical Changes and Reaction — CHEMISTRY STD 9 — Question

ICSE BoardEnglish MediumSTD 9CHEMISTRYChemical Changes and Reaction1 Mark
Question
State or define the reactions:
Chemical decomposition
✓

Answer

A decomposition reaction can be defined as a chemical reaction in which one reactant breaks down into two or more products

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 "Do as Directed." 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

What do you understand by the terms?
Mass number
→
Classify the reactions.
$2 \mathrm{H}_2 \mathrm{O}(\mathrm{l}) \rightarrow$ Electric current $2 \mathrm{H}_2(\mathrm{~g})+\mathrm{O}_2(\mathrm{~g})$
→
Define the terms with example:
Anhydrous substances
→
Classify the reactions.
$3 \mathrm{Fe}(\mathrm{s})+4 \mathrm{H}_2 \mathrm{O}($ steam $) \rightleftharpoons \mathrm{Fe}_3 \mathrm{O}_4(\mathrm{~s})+4 \mathrm{H}_2$ (g)
→
State the valency and formula of the radicals or lons:
Calcium
→
Write balanced equations when the substances are heated strongly:
Lead nitrate
→
An atom of an element is represented as ${ }^{23} X_{11}$:
What does the numeral 11 indicate ?
→
State the valency and formula of the radicals or lons:
Cupric
→
What do you understand by the terms?
Nucleons
→
Write the formula and balance the equations:
Chlorine + Sodium hydroxide -> Sodium chloride + Sodium chlorite+ Water
→