An isotope has an atomic number of 15 and a mass number of 31. The number of proton it contains is
16
15
31
46
Correct answer is B
No explanation has been provided for this answer.
N19,000.00
N18,050.50
N17,147.50
N16,290.13
Correct answer is C
No explanation has been provided for this answer.
An example of a solid emulsion is
Butter
Hair cream
Milk
Cod-liver oil
Correct answer is A
No explanation has been provided for this answer.
Blue
Red
Orange
Purple
Correct answer is D
Neutral litmus paper is purple. the result of a neutralization reaction is salt and water and hence is neutral.
N2,100,000
N844,400
N840,000
N500,000
Correct answer is B
No explanation has been provided for this answer.