An ... (Base ) .... is a compound that turns red litmus paper blue and is often found in soaps and detergents.
Answer:d
Explanation:
Given systems are state of matter and do not contain any heat instead Heat is required to change Phase or raise the temperature of the particular system.
For example 600 kg of ice at 
Heat Required to convert it to water at
is

Where L=latent heat of Fusion 


Answer: what does a,b,c stand for?
Explanation: