Download App

Physical and Chemical Change — CHEMISTRY STD 7 — Question

ICSE BoardEnglish MediumSTD 7CHEMISTRYPhysical and Chemical Change1 Mark
Question
Sublimation is classified as a physical change. Why ?
✓

Answer

Physical changes are those in which no new substance is formed. In sublimation there is direct conversion of solid into gas and vice versa. Thus the substance remains the same.

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 Physical and Chemical Change→Physical and Chemical Change — all question types→CHEMISTRY STD 7 question papers→ICSE Board STD 7 question papers→ICSE Board question paper generator→

Similar questions

State the types of change involved when there is a change of state of matter
→
State the use of manganese dioxide in the laboratory prepa-ration of oxygen from potassium chlorate.
→
Give two examples for the following :
Substances which do not change their states.
→
define:-Balanced chemical equation
→
Write word equation for the following skeletal equation:
$FeCl_2 + Cl_2 → FeCl_3$​​​​​​​
→
Define: Mass number :
→
State whether the following is physical or chemical changes.
respiration in living beings —
→
An element belongs to group VA. What would be its valency? Name two such elements.
→
Write the chemical names of following compounds :Na3​PO4
→
What are fluids ? Give two examples.
→