Which of these is a mixture? a.water b.sugar c.carbon dioxide d.popcorn and salt
1 answer:
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Answer: A. Acids have a slippery feel.
Explanation:
Acid : It is a substance that has ability of donating proton or hydrogen ion, .
The properties of an acid are :
Acids are sour in taste.
The texture of an acid solution is sticky.
It changes the color of the litmus paper to red.
It react with a metal to give compound and hydrogen gas.
Base : It is a substance that has ability of donating hydroxide ion, .
The properties of an base are :
Base are bitter in taste.
The texture of a base solution is slippery.
It changes the color of the litmus paper to blue.
It does not react with a metal.
Thus bases have slippery nature and not acids.
Answer:
0.174 M
Explanation:
The same can be solve by using Nernst's equation
The Nernst's equation is:
For silver cell
n= 1
As both the compartments have silver nitrate solution,t the standard emf of cell will be zero.
Given
Ecell = 0.045
[Anodic compartment]= 1 M
Putting values
Taking antilog and solving
[AgNO3]=0.174 M