The simple machine used is called atwood machine.
The correct answer for the given statement above would be TRUE. It is true that chromatography separates gas or liquid solutions using a stationary phase. Chromatography is the separation of mixture <span>that distributes components to separate between two phases which includes stationary phase and the other is mobile phase. Hope this answer helps.</span>
Answer:
Alkaline earth metals
Explanation:
Calcium (Ca) is a silvery-white soft metal that has the atomic number 20 in the periodic table. It is an Alkaline Earth Metal and is located in Group 2 of the periodic table. It has the symbol Ca.
Answer:
Option C (6750 J) is the appropriate response.
Explanation:
The given values are:
Mass of iron,
m = 3 kg
Specific heat capacity,
= 0.450
Temperature,
T = 
= 
Now,
⇒ 
On substituting the values, we get
⇒ 
⇒ 
i.e,
⇒ 
