Basic
Assessment Summary
0 of 5 questions completed
Questions:
Information
You have already completed this assessment. You cannot start it again.
Assessment is loading…
You must sign in or sign up to take this assessment.
You must first complete the following:
Results
Assessment complete. Results are being recorded.
Results
0 of 5 questions answered correctly
Your Time:
Time has elapsed.
You have reached 0 of 0 point(s), (0)
Earned Point(s): 0 of 0, (0)
0 Essay(s) Pending (Possible Point(s): 0)
Categories
- Not categorized 0%
Congratulations! You have demonstrated mastery of this course Take a FREE Intermediate Assessment course to determine your areas of strengths and weaknesses
- 1
- 2
- 3
- 4
- 5
- Current
- Review
- Answered
- Correct
- Incorrect
- Question 1 of 51. Question
In which of the following is gallium showing an oxidation number of +3?
- Question 2 of 52. Question
The balancing of chemical equations is based on the law of………………….
- Question 3 of 53. Question
25.0cm3 of a solution containing 1.33g of Na2CO3 in 250cm3 required 24.5cm3 of a solution of H2SO4 for complete neutralization. What is the concentration of the acid?
- Question 4 of 54. Question
2.0g of limestone was treated with excess 0.5mol dm-3 HCL. The acid left at the reaction required 32cm3 of 0.02mol dm-3 Na2CO3 solution for neutralisation. What is the original volume of the acid?
- Question 5 of 55. Question
What is the percentage by weight of calcium in Ca(OCl)2? (Ca = 40, Cl = 35.5, O = 16)