Help
Contact
For teachers and institutes
Search courses, problems, tests…
A
A
>_
StemPy Lab
Courses ▾
Problems ▾
Practice ▾
Mock Tests
Classes
Groups
Community ▾
A
A
When a candle burns, which part is a physical change? | StemPy Lab
Quizzes
/
When a candle burns, which part is a physical change?
Chemistry
Medium
High School (9–10)
General
Mixtures and Solutions › Elements, Compounds and Changes
Created by
StemPy Lab
When a candle burns, which part is a physical change?
Carbon dioxide and water forming
The wax vapour burning in the flame
The wax near the wick melting into a liquid
Heat and light coming from the flame
Check Answer
Log in to save
Tag someone
⚑ Report
← All Quizzes
← A clear liquid boils steadily at exactly 100 °C at normal pressure, and when a drop of it evaporates on glass, nothing at all is left. What is it most likely to be?
Which idea of Dalton's atomic theory explains the law of conservation of mass? →
More on
Mixtures and Solutions › Elements, Compounds and Changes
Discussion (0)
Log in
to join the discussion.
Loading…
Problems on this topic
Three samples of a white solid are analysed.
Hard
Iron filings and sulphur powder are mixed in a dish.
Medium
Iron and sulphur join to make iron sulphide in the ratio 7 : 4 by mass.
Hard
In water, hydrogen and oxygen are in the ratio 1 : 8 by mass.
Medium
All problems on this topic →
Created by StemPy LabCreated by StemPy Lab