NEW
Font size
WorksheetsDilution
Total questions: 14
Worksheet time: 29mins
One unit of solution A combined with 99 units of solution B equal to:
1 ppt
10 %
1 ppm
1 %
One gram of powder A combined with 99 ml of solution B equal to:
1 % w/v
1 % v/v
1 % w/w
1 % v/w
One unit of solution A added to 999 units of solution B equal to:
1 ppt
10 percent
1 ppm
1 percent
One unit of solution A added to 999 units of solution B equal to:
0.1 %
10 %
1 %
0.01 %
Which are incorrect if one unit of solution A added to 999 units of solution B equal to:
1 ppt
10 %
0.1 %
0.001
Which are incorrect regarding 1 ppm
0.001 ppt
0.0001 %
0.1 %
0.000001
20 unit of solution A combined with 80 units of solution B equal to:
0.25 v/v
0.2 v/v
0.25 w/v
0.2 w/v
20 unit of solution A added in 80 units of solution B equal to:
25% of A in B
25% of B in A
20% of A in B
20 % of B in A
20 unit of solution A in 80 units of solution B equal to:
1/5 of A in B
1/4 of B in A
1/4 of A in B
1/5 of B in A
20 unit of solution A in 80 units of solution B equal to:
1:5 of A in B
1:4 of B in A
1:4 of A in B
1:5 of B in A
20 unit of solution A combine with 980 units of solution B equal to:
2 ppt
2 ppm
20 ppm
20 ppt
Gambarajah menunjukkan graf piawai bagi toksin Alfa, Zeta dan Beta. Jika sampel kajian menunjukkan bacaan toxin Zeta pada keluasan puncak 800, berapa ug kepekatan Zeta?
2 ug
4 ug
6 ug
7 ug
Gambarajah menunjukkan graf piawai bagi toksin Alfa, Zeta dan Beta. Jika sampel kajian menunjukkan bacaan toxin Beta pada keluasan puncak 200, berapa ug kepekatan Beta?
2 ug
4 ug
6 ug
7 ug
Gambarajah menunjukkan graf piawai bagi toksin Alfa, Zeta dan Beta. Jika sampel kajian menunjukkan bacaan toxin Alfa pada keluasan puncak 800, berapa ug kepekatan Alfa?
2.1 ug
4.1 ug
6.1 ug
7.1 ug
