In which of the following physical changes is heat evolved?
i)Lighting a bulb for a long time.
ii)Freezing of water.
iii)Dissolving sodium hydroxide in water.
iv)Dissolving washing soda in water.
Answers
Answered by
1
Answer:
a lighting a bulb for a long time
Explanation:
because heating effect of electricity
Similar questions
Math,
4 months ago
English,
8 months ago
Science,
8 months ago
Environmental Sciences,
10 months ago
History,
10 months ago
Social Sciences,
10 months ago