Download App

Unit - 5.1 Language of Chemistry — CHEMISTRY STD 8 — Question

ICSE BoardEnglish MediumSTD 8CHEMISTRYUnit - 5.1 Language of Chemistry1 Mark
Question
Define catalyst
✓

Answer

A substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change is called a catalyst.

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 Unit - 5.1 Language of Chemistry→Unit - 5.1 Language of Chemistry — all question types→CHEMISTRY STD 8 question papers→ICSE Board STD 8 question papers→ICSE Board question paper generator→

Similar questions

Complete and balance the following chemical equations:
$\mathrm{Fe} \mathrm{SO}_4+\mathrm{NaOH} \rightarrow$
   $\text{(aq.)$  \ \  \  $(aq.)}$
→
Write the correct statements:
Lead nitrate crystals on strong heating decompose to form lead dioxide, nitrogen dioxide and oxygen gas.
→
Write the correct statements:
Hydrogen gas is used in the manufacture of artificial fertilisers, such as potassium nitrate.
→
Define the term Atomic number.
→
At what point will the particles become free and escape as gas.
→
State the composition of bone charcoal.
→
Write the correct statements:
The product formed during the combustion of hydrogen in air is hydrogen peroxide.
→
Give reason for the following: Nitric acid not used for the preparation of hydrogen gas?
→
Write the correct statements:
Sodium metal reacts with hot water to form sodium hydroxide and hydrogen gas.
→
State the electronic configuration for each of the following : Potassium $[p = 19]$
→