Would you like to submit your quiz result to the leaderboard?
Loading
maximum of 7 points
Pos.
Name
Entered on
Points
Result
Table is loading
No data available
1
2
3
4
5
6
7
Answered
Review
Question 1 of 7
1. Question
1 point(s)
Which of the followings is the formula of ammonium nitrate?
1.
2.
3.
4.
Correct
Incorrect
Question 2 of 7
2. Question
1 point(s)
Which of the following is true about the molecular formula of a compound?
1.
2.
3.
4.
Correct
Incorrect
Question 3 of 7
3. Question
1 point(s)
Which of the followings is the formula of calcium hydroxide ion?
1.
2.
3.
4.
Correct
Incorrect
Question 4 of 7
4. Question
1 point(s)
In an experiment, 21g of lithium combined with exactly 14g of nitrogen. Find the empirical formula of lithium nitride. (Relative atomic masses: Li = 7 and N = 14)
1.
2.
3.
4.
Correct
Incorrect
Question 5 of 7
5. Question
1 point(s)
X reacts with bromine to form a bromide compound with the formula XBr₂. A possible molecular formula for the compound of X sulphate is
1.
2.
3.
4.
Correct
Incorrect
Question 6 of 7
6. Question
1 point(s)
A hydrocarbon X contains 86% of carbon by mass. Which of the followings are the possible molecular formulas of X?
1.
2.
3.
4.
Correct
Incorrect
Question 7 of 7
7. Question
1 point(s)
Given that the empirical formula of cyclo-hexene is C₃H₅. Which of the following are the possible molecular formula of cyclo-hexene?
