Halim said "Ph is the measure of concentration of hydrogen ions in aques solution". State the statements whether it is TRUE or FALSE.
Chapter 6 Form 4

Quiz
•
Chemistry
•
9th - 12th Grade
•
Hard
Nur Raudhah
Used 2+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
TRUE
FALSE
2.
FILL IN THE BLANK QUESTION
1 min • 1 pt
The pH of lemon juice falls between 2 and 3, meaning it is
Answer explanation
Lemon is one of example for acid. pH value from 0 to 6 shows it is acidity.
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
An acid HX with concentration 0.5 mol dm-3 hydrogen ions, H+ , calculate the pH value of HX
3
0.2
0.3
0.302
Answer explanation
4.
OPEN ENDED QUESTION
3 mins • 1 pt
A NaOH solution has a concentration of 0.001 mol dm-3 and the pOH of the solution is 3.0. Explain what formula you use to solved this problem and how you solved it
Evaluate responses using AI:
OFF
Answer explanation
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If the pH of a solution is 4, choose the correct steps how to calculate the concentration of hydrogen ions H+
1) Use formula
pH=-log[H+] ,
2)insert the value
4=-log[H+]
3) Calculate the H
[H+]=10-4
4) [H+]=0.0001 mol/L
1) Use formula
pH=-log[OH+] ,
2)insert the value
4=-log[OH+]
3) Calculate the H
[OH+]=10-4
4) [OH+]=0.0002 mol/L
1) Use formula
pH=-log[H+] ,
2)insert the value
4=-log[H+]
3) Calculate the H
[H+]=10-4
4) [H+]=0.01 mol/L
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Determine the molarity of alkali X with pH value 11.0
1x10-3 mol dm-3
1x10-2 mol dm-3
3 mol dm-3
1x10-4 mol dm-3
Answer explanation
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
which of the following salt is prepared by double decomposition reaction (DDR)
KCl
AgNO3
CaCo3
NH2SO4
Answer explanation
all carbonate ion is insoluble except for AMNAK (ammonium,sodium and potassium)
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