2 years ago

Some of the physical changes

1 answer:

6 0

when liquid is cooled it gets converted into its solid form. so,in this the condition is being reversed.so it is reversible change. Similarly,liquid when heated it gets converted into its gaseous form. when,gas is cooled,it gets converted into its liquid form

I think answer is B

You might be interested in

7. What are two ways to improve an experiment?

faltersainse [42]

Answer:

Stopwatches versus clocks. To improve reliability repeat the experiment multiple times according to an identical procedure. Record these steps so the experiment can be repeated at any time

Explanation:

5 0

3 years ago

How does the law of conservation of matter apply to chemical equations?

Tasya [4]

Answer: option D.

The total number of atoms of each element on both sides of the

equation must be the same.

Explanation:

3 0

3 years ago

The specific heat of aluminum is 0.897 J/g•°C. Which equation would you use to calculate the amount of heat needed to raise the

docker41 [41]

Q = 0.75 g x 0.897 J/g•°C x 22°C

6 0

3 years ago

Write any three acids which are used in our daily life. Also, write an application of each

lidiya [134]

Sodium fluoride- to brush teeth
Citric acid- orange juice for breakfast
Sodium hydroxide- cleaning agent

3 0

2 years ago

The average volume of a cotton ball is about 5.50 mL. If the mass of the cotton ball is 8.53 g, what is the density of cotton?

s344n2d4d5 [400]

Answer:

Explanation:

5.5 I believe.

6 0

3 years ago