Answer:
Option C
Explanation:
The answer to this question will be the third option "It is bendable." Malleable means to be able to change the shape of a object without damaging or breaking it. In this case a malleable solid would be for example drainage pipes. These pipes have curves and different shapes but still remain its product of a metal.
Hope this helps!
Answer:
The correct answer is "142 g".
Explanation:
According to the question,
⇒ 
where,
Z = 2
F = 96500c
C = 30 A
t = 4h
= 
= 
We know that,
Atomic mass of Cu(M) = 63.5 g/mole
Now,
⇒ 
On putting the values, we get



The logarithm from my understanding can never be negative. You can check this on a calculator. You may have a negative if it is shown as -(log x).