0.05
10.80
10.00
0.10
Correct answer is D
m = \(\frac{Mm \times Q}{96500n
}\)
where Q = IT
M = Mm × \(\frac{Q}{96500n}\)
where m = mass
Mm = Molar mass
Q = Quantity of electricity
n = number of change= +1
\(\frac{M}{Mm}\) = mole = \(\frac{mass}{Molarmass}\)
\(\frac{M}{Mm}\) = \(\frac{Q}{96500n}\)
= \(\frac{9650}{96500n}\) × 1
= \(\frac{1}{10}\) = 0.1mol
Tin is unaffected by air at ordinary temperature due to its?
Low melting point
Weak electropositive character
High boiling point
White lustrous appearance
Correct answer is A
Tin has a melting point of 232° which enables it to be unaffected by air at ordinary temperature coupled with the fact that it also helps in making a good metal for alloying.
Tin is relatively unaffected by both water and oxygen at room temperature due to its low melting point. It does not rust, corrode, or react in any other way. This explains one of its major uses: as a coating to protect other metals.
N176,000
N170,000
N167,000
N156,000
Correct answer is A
No explanation has been provided for this answer.
Determine the opening cash balance of the club?
N3,070
N2,220
N5,710
N4,320
Correct answer is B
No explanation has been provided for this answer.
N11,410
N13,630
N9,310
N11,530
Correct answer is D
No explanation has been provided for this answer.