It is a Physical property because like water it changes into a ice cube but it can be melted into water or be turned back into an ice cube.
At one minute, a persons's heart beats 72 times.
Therefore, in one hour or 60 minutes, a person's heart will beat (60×72) times, i.e., 4320 times
Answer is 4320 times
In a liquid, particles are close together but can move in any direction. They won't keep a definite shape like solids do.
Answer:
The chemical reaction of Aluminum + oxygen yields aluminum oxide is in option d - 4Al + 3O₂ → 2Al₂O₃
Explanation:
